Sexually antagonistic coevolution of the male nuptial gift and female feeding behaviour in decorated crickets.

The evolution of nuptial gifts has traditionally been considered a harmonious affair, providing benefits to both mating partners. There is growing evidence, however, that receiving a nuptial gift can be actively detrimental to the female. In decorated crickets (Gryllodes sigillatus), males produce a gelatinous spermatophylax that enhances sperm transfer but provides little nutritional benefit and hinders female post-copulatory mate choice. Here, we examine the sexually antagonistic coevolution of the spermatophylax and the female feeding response to this gift in G. sigillatus maintained in experimental populations with either a male-biased or female-biased adult sex ratio. After 25 generations, males evolving in male-biased populations produced heavier spermatophylaxes with a more manipulative combination of free amino acids than those evolving in female-biased populations. Moreover, when the spermatophylax originated from the same selection regime, females evolving in male-biased populations always had shorter feeding durations than those evolving in female-biased populations, indicating the evolution of greater resistance. Across populations, female feeding duration increased with the mass and manipulative combination of free amino acids in the spermatophylax, suggesting sexually antagonistic coevolution. Collectively, our work demonstrates a key role for interlocus sexual conflict and sexually antagonistic coevolution in the mating system of G. sigillatus.

Research on commercial milk formulas for young children: A scoping review.

A scoping review of publications about commercial milk formulas intended for or consumed by children 12-36 months (CMF 12-36) was conducted. This review aimed to comprehensively map the existing literature, identify key concepts in the field and understand its evolution through time. A total of 3329 articles were screened and 220 were included, published between 1986 and 2024. Most works were published after 2016 (70.0%) and in high-income countries (71.8%). Original studies were the vast majority (81.8%) of publications. Most publications dealt with feeding practices or analysed the composition and/or contamination of specific products (44.1% and 35.9%), but since the late 2000s, publications about marketing, policy, legislation, and consumer perception started to appear. Most published works (65.5%) did not focus exclusively on CMF 12-36 and included formulas for other demographics or other foods. About half of the works (55.5%) did not consider CMF 12-36 to be a breast milk substitute. We found 81 distinct product denominations used to refer to CMF 12-36, Growing Up Milk was the most common (25.9%). CMF industry was involved in 41.8% of all analysed works, and industry participation and funding were not always clearly informed (22.5% lacked a conflict of interest statement, and 25.5% did not present any information about funding). In the last decade, publications about CMF 12-36 have increased in volume and diversified in scope and subject matter. CMF-industry participation has always been and still is present in the field, so possible vested interests should be taken into account when appreciating the literature.

Emotion regulation in emotionally focused therapists working with high-conflict couples.

Guided by the Person-of-the Therapist Training (POTT) Model, the current qualitative study explores emotional experiences and emotion regulation strategies of emotionally focused trained therapists who work with high-conflict couples in Turkey. Twenty-one therapists who completed at least the externship in emotionally focused couple therapy (EFCT) and had prior or current clinical experience working with high-conflict couple(s) were recruited through various social media platforms and professional organizations' listservs. Semistructured individual interviews were conducted, audio-recorded, and transcribed verbatim. Thematic analysis of the qualitative data revealed five main themes: (1) Different Compelling Emotional Experiences of the Therapists, (2) Sun After Storm, (3) Triggers of Therapists' Emotions, (4) Perceived Adaptive Emotion Regulation Strategies, and (5) Positive Impact of the Therapist's Regulation Strategies on the Therapy Process. Overall, the findings supported the three phases of the POTT model: namely, knowledge of self, access to self, and use of self. Our study demonstrates the need for integrating self-of-the-therapist work into the clinical practice, training, and supervision of therapists working with distressed couples.

Dealing With a Stressful Extra Duty: The Intrapersonal Conflict Experiences of Nurses Caring for Survivors of Suicide Attempts on Medical-Surgical Wards.

Nurses are the frontline professionals caring for patients who have attempted suicide. When clinical nurses learn from medical records or nursing handover, or are proactively informed by patients or family members, that the patients they are caring for have suicidal tendencies, they often experience pressure and face challenges. However, little attention has been given to the experiences of the nurses caring for patients with suicidal intent on medical and surgical wards. We aimed to address this knowledge gap. The purpose of this study was to explore medical and surgical nurses' experiences, especially the internal conflicts they might experience while caring for patients who have a history of attempted suicide. A qualitative descriptive design and semi-structured interviews were used in this study. Twenty-three nurses were recruited and interviewed individually. Data were analysed by qualitative content analysis. The focus of this paper is to examine the emergent theme of intrapersonal conflict experienced by the participants. Nurses' experiences can be clustered into two themes: (1) Pity and annoyance and (2) Hard work does not necessarily pay off. Intrapersonal conflict was identified by participants as considerable fear and anxiety about the possibility of a patient's suicide, as well as a mixture of pity for and annoyance with the patients. Nurses feel sorry for such patients, but they are also annoyed by the extra work required to prevent suicide attempts in the ward. Additionally, having limited time and ability, they see that their hard work does not necessarily pay off and may sometimes lead to punishment. Our findings raise serious concerns about the adequacy of the knowledge of the nurses, their competence and their difficulties in caring for such patients. In addition, there is a need to provide them with appropriate on-the-job education and immediate emotional support relevant to caring for survivors of suicide attempts.

A qualitative study on the effect of a decision aid on knowledge of cataract surgery in patients in developing countries.

BACKGROUND: Despite cataract surgery being a safe procedure with a low incidence of perioperative complications rates, poor knowledge, concerns about the effectiveness of treatment and cost-benefit analysis of the procedure significantly hinder cataract surgery uptake rates in Africa. This study describes the effect of a decision aid on knowledge and decision conflict on cataract patients in Africa. METHODS AND ANALYSIS: 120 patients with cataracts reporting to a tertiary hospital in Ghana were randomly assigned to receive a decision aid containing information on the possible outcomes of cataract surgery or a control booklet containing general knowledge about cataracts without information about cataract surgery. The primary outcome measured was the effect of the decision aid on their knowledge of cataract surgery. A score greater than 6/12 (50%) was deemed adequate knowledge. The secondary outcome was the decision conflict experienced by the participants assessed using the Decision Conflict Scale. RESULTS: Compared to the control group, the participants in the intervention group scored higher marks across all sections of the questionnaire (2.92 vs 2.7, p = 0.042 in section "Background"; 2.62 vs 1.77, p < 0.001 in section "Materials"; 1.87 vs 1.55, p = 0.03 in section "Results"). The average total score was higher in the intervention group than in the control (36.7% difference; p < 0.001). Participants in the intervention group also demonstrated lower decision conflict scores than those in the control group (13.00 vs 37.17; p < 0.001). CONCLUSION: The decision aid increased knowledge of cataract surgery and reduced decision conflict among patients in a developing country.

Cathodal HD-tDCS above the left dorsolateral prefrontal cortex increases environmentally sustainable decision-making.

Environmental sustainability is characterized by a conflict between short-term self-interest and longer-term collective interests. Self-control capacity has been proposed to be a crucial determinant of people's ability to overcome this conflict. Yet, causal evidence is lacking, and previous research is dominated by the use of self-report measures. Here, we modulated self-control capacity by applying inhibitory high-definition transcranial current stimulation (HD-tDCS) above the left dorsolateral prefrontal cortex (dlPFC) while participants engaged in an environmentally consequential decision-making task. The task includes conflicting and low conflicting trade-offs between short-term personal interests and long-term environmental benefits. Contrary to our preregistered expectation, inhibitory HD-tDCS above the left dlPFC, presumably by reducing self-control capacity, led to more, and not less, pro-environmental behavior in conflicting decisions. We speculate that in our exceptionally environmentally friendly sample, deviating from an environmentally sustainable default required self-control capacity, and that inhibiting the left dlPFC might have reduced participants' ability to do so.

Allocation of public health services across urban and rural regions and armed conflicts in Sub-Saharan Africa.

Armed conflicts exacerbate public health challenges in Sub-Saharan Africa. Inequality across groups and poverty in rural areas can be an important factor in triggering local wars. This study investigates whether equitable distribution of public services by governments across urban and rural geographical regions reduces the risk of local wars initiated by armed groups in Sub-Saharan African countries. Does an equitable distribution of public services such as healthcare and clean water public services across regions decrease the risk of armed conflicts? Uneven distribution of public services can increase the risk of conflict by contributing to group grievances, rural poverty, and rent-seeking competition over government resources. Analyses of 39 Sub-Saharan African countries from 1947 to 2021 show that a one-standard deviation increase in equal access to public services by urban-rural location lowers the risk of armed conflict, a substantial 37 to 53 percent with consideration of a battery of control variables.

Emotional interference and attentional bias in compulsive sexual behaviors disorder - An fMRI study on heterosexual males.

Background and aims: Despite the inclusion of the Compulsive Sexual Behavior Disorder (CSBD) in the 11th edition of the International Classification of Diseases, emotional and cognitive impairments related to CSBD remains unclear. This study aimed to investigate the behavioral and neuronal effects of emotional interference on cognition among CSBD patients. Methods: Thirty heterosexual males with CSBD and matched healthy controls (HC) were studied with the Emotional Stroop Task using 5 categories of emotionally arousing words (sex-related, positive, fear-related, negative, neutral) during functional magnetic imaging. Results: At the behavioral level, we found the main effect of the condition: sex-related words evoked a stronger Stroop effect than other conditions. At the neural level, we found a significant group effect. Among CSBD patients processing of sex-related words was related to increased activity in the right putamen, right thalamus, hippocampi, and left pulvinar, when compared to HC. We also found a negative correlation between neuronal activation and time spent on sexual activity during the week preceding study and numerous group differences in brain regions connected to the emotional and motivational processing of sexually explicit material, correlating with CSBD symptoms. Conclusions: Behavioral results indicate a specific attentional bias toward sex-related stimuli in both groups, while neural data uncovered stronger reactivity to sex-related words in CSBD compared to HC. This reactivity is related to CSBD symptoms and provides evidence for the interference of sex-related stimuli with cognition. Such results are firmly in line with the Incentive Salience Theory and conceptualizing CSBD as a behavioral addiction.

Impact of injury mechanism on early wound closure in patients with acute conflict-related extremity wounds: A prospective cohort analysis from two civilian hospitals in Iraq and Jordan.

BACKGROUND: Gunshots and bomb blasts are important causes of extremity injuries in conflict zones, yet little research exists on the characteristics and outcomes of these injuries in civilian populations. METHODS: We performed a prospective cohort analysis utilizing data from a randomized trial conducted at two civilian hospitals in Jordan and Iraq in 2015-2019. Adults who presented ≤72 h of sustaining an extremity injury were included. We used mechanism of injury (gunshot/bomb blast) as the exposure and wound closure by day 5 as the primary outcome measure. RESULTS: The population predominantly comprised young men (n = 163, 94% male, and median age 29 years) injured by gunshots (61%) or bomb blasts (39%). Compared with the gunshot group, more participants in the bomb blast group had concomitant injuries (32/63 [51%] vs. 11/100 [11%], p < 0.001) and vascular injuries (9/63 [14%] vs. 4/100 [4%], p = 0.02). The wounds were larger in the bomb blast group compared with the gunshot group (median area 86 cm2 [IQR 24-161] vs. 21 cm2 [IQR 7-57], p < 0.001). Compared with the bomb blast group, significantly more participants in the gunshot group achieved wound closure by day 5 (74/100 [74%] vs. 16/63 [25%], p < 0.001). This difference remained after controlling for confounding factors (odds ratio 4.7, 95% confidence interval 1.6-13.7). CONCLUSIONS: In civilians with conflict-related extremity injuries, bomb blast wounds had a lower likelihood of achieving closure within 5 days than gunshot wounds, independent of other factors, such as wound size and vascular injuries. TRIAL REGISTRATION: ClinicalTrials.gov, NCT02444598. Registered 14-05-2015, https://classic. CLINICALTRIALS: gov/ct2/show/NCT02444598.

Additive effects of depression and obesity on neural correlates of inhibitory control.

BACKGROUND: Depression and obesity are associated with impaired inhibitory control. Behavioral evidence indicates an exacerbating additive effect when both conditions co-occur. However, the underlying neural mechanisms remain unclear. Moreover, systemic inflammation affects neurocognitive performance in both individuals with depression and obesity. Here, we investigate additive effects of depression and obesity on neural correlates of inhibitory control, and examine inflammation as a connecting pathway. METHODS: We assessed inhibitory control processing in 64 individuals with obesity and varying degrees of depressed mood by probing neural activation and connectivity during an fMRI Stroop task. Additionally, we explored associations of altered neural responses with individual differences in systemic inflammation. Data were collected as part of the BARICO (Bariatric surgery Rijnstate and Radboudumc neuroimaging and Cognition in Obesity) study. RESULTS: Concurrent depression and obesity were linked to increased functional connectivity between the supplementary motor area and precuneus and between the inferior occipital and inferior parietal gyrus. Exploratory analysis revealed that circulating inflammation markers, including plasma leptin, IL-6, IL-8, and CCL-3 correlated with the additive effect of depression and obesity on altered functional connectivity. LIMITATIONS: The observational design limits causal inferences. Future research employing longitudinal or intervention designs is required to validate these findings and elucidate causal pathways. CONCLUSION: These findings suggest increased neural crosstalk underlying impaired inhibitory control in individuals with concurrent obesity and depressed mood. Our results support a model of an additive detrimental effect of concurrent depression and obesity on neurocognitive functioning, with a possible role of inflammation.

Nonsuicidal self-injury among Chinese university students during the post-COVID-19 era: analysis of sex differences and the impact of gender role conflict.

Background: Global centers of epidemic prevention and control have entered a new stage of normalization, namely, the "post-COVID-19 era." During the post-COVID-19 era, which is characterized by the time period following that with the most serious medical consequences, the psychosocial consequences of the COVID-19 pandemic began to receive worldwide attention, especially the degree of psychological distress it caused. Aim: This study explored the differential impact of gender role conflict on Chinese university students' engagement in nonsuicidal self-injury (NSSI) as a function of biological sex following the global COVID-19 pandemic. Methods: Participants were 1,600 university students in northwestern China (M age = 21.3 years; 50.8% women) who completed online measures of demographic variables (including biological sex, gender role conflict, and NSSI engagement). Results: Women reported significantly more gender role conflicts than men did, while engagement in NSSI was significantly more prevalent among men than women. A total of 262 men reported engaging in at least one NSSI behavior, resulting in a prevalence rate of 33.25%. In comparison, a total of 106 individuals reported engaging in at least one NSSI behavior, resulting in a prevalence rate of 13.05% among women. Gender role conflict was found to significantly predict university students' NSSI engagement, regardless of biological sex. Conclusion: This is the first empirical study to identify sex differences in both gender role conflict and engagement in NSSI among university students in Northwestern China during the post-COVID-19 era. In addition, the present study is the first to demonstrate how gender role conflict predicts engagement in NSSI across sexes. These findings will inform the literature on gender role conflict and NSSI, particularly the close relationship between gender role conflict and engagement in NSSI among Chinese university students, and they emphasize the need for continued efforts to explore NSSI cross-culturally.

Overvaluation of weight and shape in obesity: a comparative study between people with and without binge eating disorder.

Introduction: The overvaluation of weight and shape is a diagnostic criterion in eating disorders, except in binge eating disorder (BED), where it has received less attention. This aspect is also not usually analyzed in people with overweight or obesity without an eating disorder. This research aims to identify the indicators of symptomatology, as well as those of self-construction and cognitive structure, that are associated with overvaluation in obesity, either alone or in conjunction with BED. Method: A sample of 102 overweight or obese participants was accessed. The sample was divided into four groups: one without overvaluation or BED (n = 33); a second with overvaluation and without BED (n = 21); a third with BED, but without overvaluation (n = 15), and a fourth with BED and overvaluation (n = 33). The groups completed instruments regarding eating symptomatology, anxiety, depression, and stress. In addition, they were administered the Repertory Grid Technique, a semi-structured interview to evaluate the cognitive structure involved in the construal of the self and others. Results: The factors of overvaluation and the presence of BED independently explained eating symptomatology, and the latter also showed a tendency to influence anxiety, depression, and stress. In terms of cognitive structure, weight polarization was explained by overvaluation, while BED was associated with a high presence of cognitive conflicts. In self-construction, BED was the factor that explained the differences, particularly in Self-Ideal discrepancy. Discussion: The results highlight the importance of overvaluation in obesity, even in the absence of BED. Its evaluation and treatment are recommended. Furthermore, in the case of BED, it is also advisable to evaluate the overvaluation of weight and shape since it can be a severity specifier.

Differences in Physician Burnout by Specialty: A Cross-Sectional Survey.

BACKGROUND: The prevalence of physician burnout increased notably during the COVID-19 pandemic, but whether measures of burnout differed based on physician specialty is unknown. The authors sought to determine the prevalence of burnout, worklife conflict, and intention to quit among physicians from different specialties. METHODS: This is a cross-sectional online survey of physicians working at 2 urban hospitals in Vancouver, Canada, from August to October 2021. Responses were categorized by specialty (including surgical and nonsurgical), and data about whether physicians provided frontline patient care during COVID-19 were also included. Physician burnout was measured using the Maslach Burnout Inventory. Responses were categorized by specialty (including surgical and nonsurgical), and data about whether physicians provided frontline patient care during COVID-19 were also included. RESULTS: The survey response rate was 42% (209/498). The overall prevalence of burnout was 69%. Burnout was not significantly different by specialty or between frontline COVID-19 specialties compared with other specialties. Physicians in surgical specialties were more likely to report work-life conflict than those in nonsurgical specialties (p = 0.012). Differences in intention to quit among specialties were not statistically significant. CONCLUSION: During the COVID-19 pandemic, physician burnout was high across physicians, without significant differences between specialties, highlighting the need to support all physicians.

The narcissism of minor resemblances: searching for allies at times of threat.

Humans must identify others as enemies or allies to develop, protect, maintain, and refine their sense of self. This is a part of their normal psychological development. These phenomena operate on individual and large group levels and are pronounced under threat. In peril, they help create psychological boundaries between conflicting parties and bonds between allies. These boundaries and bonds are invested with strong emotions. The narcissism of minor differences concept is involved in identifying and delineating enemies at times of perceived danger. This article introduces the concept of the narcissism of minor resemblances. This concept is discussed from the psychodynamic perspective and illustrated with examples of socio-political developments from modern history. The narcissism of minor resemblances concept may help us understand the underlying dynamics of bonding with allies and identifying with others when undergoing threat and hardship. This concept connects the public arena of political action with individual psychological development. Awareness of this phenomenon can help mitigate the negative aspects of rigid enemy-ally distinctions and promote cooperation and peace. It may also help individuals impacted by psychological trauma to make meaning of psychological and societal processes experienced and contribute to their healing.

When high work engagement is negative for family tasks: mechanisms and boundary conditions.

Background: Typically, work engagement is positively related to beneficial job outcomes. Earlier studies, however, revealed a "dark side" of work engagement showing negative effects such as more work-family conflict. Using a resource perspective, our study seeks to better understand why and when these negative effects of work engagement occur. Specifically, we test a new model in which the relationship of work engagement with work-family conflict is mediated by organizational citizenship behavior (OCB) and work rumination. Moreover, we argue that employees' resource-building strategies (i.e., job crafting) and resource levels (i.e., psychological capital) buffer resource depletion due to high work engagement. Methods: We tested our assumptions in a field study that involved data collected on three measurement points with 523 employees from Nigeria. The measures consist of Utrecht Work Engagement Scale, Organizational Citizenship Behavior Scale, Work Rumination Scale, Psychological Capital Scale, Job Crafting Measure, Work-family Conflict Scale, and demographic variables. Structural Equation Modeling (SEM) was used to test the hypotheses. Results and discussion: Results from latent structure equation modelling confirm that work rumination mediates the positive relationship between work engagement and work-family conflict. Additionally, our findings suggest that behavioral engagement (i.e.,OCB) and work rumination mediate the relationship between work engagement and work-family conflict. Moreover, psychological capital mitigated the relationships of work engagement with work rumination, but not job crafting. Our study helps to better understand the "dark side" of work engagement and offers implications on how to mitigate its detrimental relationship with work-family conflict.

Occurrence and persistence of pseudo-tail spots in the barn swallow.

While numerous studies have confirmed sexual selection for ornamental traits in animals, it remains unclear about how animals exaggerate ornamentation across traits. I found that some Asian barn swallows Hirundo rustica gutturalis possessed "pseudo-tail spots" on their undertail coverts adjacent to a well-known sexual signal, the white tail spots. A close inspection showed their remarkable resemblance, and, as a consequence, pseudo-tail spots appear to add white spots to the uniformly black central tail feathers, increasing the total number and area of white spots when spread tails are viewed from below. Pseudo-tail spots on the undertail covers do not incur any flight cost, unlike the white tail spots on the tail itself, and thus presence of pseudo-tail spots can represent an initial stage of a deceptive elaboration as predicted by sexual selection theory (i.e., males can elaborate traits with no additional flight cost, uncoupling flight cost and trait expression). The frequency of pseudo-tail spots in the study population remained low even a decade after the first observation (ca. 7%), but was higher compared to other populations (e.g., 1% in another Japanese population). The slow progress of evolution, perhaps due to the low detectability of the trait, provides a unique opportunity to observe contemporary evolution of ornament exaggeration across traits. Further research with wider spatial and temporal coverage is needed to better understand the evolutionary and ecological importance of the trait.

Epigenetic regulation of the oxytocin system as an indicator of adaptation to over-controlling parenting and psychosocial functioning in adulthood.

The oxytocin system plays a role in social stress adaptation, and this role is likely to be particularly important in adolescence. One method of regulating the oxytocin system is through DNA methylation in the promoter of the oxytocin receptor gene (OXTRm), which reduces the gene's expression. This multi-method, longitudinal study, using a diverse community sample of 184 adolescents followed from age 13-28, examined the links between OXTRm and exposure to over-controlling parenting in adolescence and conflict with romantic partners and internalizing symptoms in adulthood. Female, but not male, adolescents who were exposed to psychologically controlling parenting at age 13 had lower levels of OXTRm at site -924 at age 28. Reduced OXTRm at site -924 was associated with greater romantic partner-reported relationship conflict at age 27, and reduced OXTRm at site -934 was marginally associated with greater participant-reported conflict for males. Reduced OXTRm at site -924 was also associated with fewer internalizing symptoms at ages 24-25. These results in adulthood are consistent with an upregulated oxytocin system reducing the salience of negative socioemotional stimuli. Overall, findings are consistent with oxytocin playing a role in the stress response system, and more specifically, by helping us to adapt to social environments like parenting and romantic relationships, reducing the salience of negativity, and reducing risk for common emotional problems.

The predictive significance of attachment script assessment hyperactivation and deactivation: evidence of associations with romantic relationship functioning.

This study examined the significance of a novel coding system for evaluating hyperactivation, deactivation, and anomalous content in the Attachment Script Assessment for romantic relationship functioning. In a sample of 208 couples (69% White, Mage 28.7 years), we tested whether ASA hyperactivation and deactivation were associated with theoretically relevant correlates, including observed behavior, parasympathetic reactivity, self-reported affective reactivity to conflict, and relationship satisfaction. Exploratory analyses examined associations of secure base script knowledge (SBSK) and anomalous content with these outcomes. ASA hyperactivation and deactivation were associated with behavioral, physiological, and self-reported functioning in theory-consistent ways. Anomalous content was not associated with romantic functioning. SBSK was associated with satisfaction, but this was not robust to covariates. Findings support the predictive validity of the hyperactivation and deactivation dimensions and suggest that these scales complement SBSK, enabling researchers to assess a wider range of behavioral and physiological indicators associated with distinctive forms of attachment insecurity.

Breeding phenology drives variation in reproductive output, reproductive costs and offspring fitness in a viviparous ectotherm.

Phenological advances are a widespread response to global warming and can contribute to determine the climate vulnerability of organisms, particularly in ectothermic species which are highly dependent on ambient temperatures to complete their life cycle. Yet, the relative contribution of breeding dates and temperature conditions during gestation on fitness of females and their offspring is poorly documented in reptiles. Here, we exposed females of the common lizard Zootoca vivipara to contrasting thermal scenarios (cold versus hot treatment) during gestation and quantified effects of parturition dates and thermal treatment on life-history traits of females and their offspring for one year. Overall, our results suggest that parturition date has a greater impact than thermal conditions during gestation on life history strategies. In particular, we found positive effects of an earlier parturition date on juvenile survival, growth and recruitment suggesting that environmental dependent selection and/or differences in parental quality between early and late breeders underlie seasonal changes in offspring fitness. Yet, an earlier parturition date compromised the energetic condition of gravid females, which suggests the existence of a mother-offspring conflict regarding the optimisation of parturition dates. While numerous studies focused on the direct effects of alterations in incubation temperatures on reptile life-history traits, our results highlight the importance of considering the role of breeding phenology in assessing the short- and long-term effects of thermal developmental plasticity.