Sex differences in hedonic judgement of odors in schizophrenia cases and healthy controls.

The neurocircuitries subserving affective and olfactory processes overlap, are sexually dimorphic, and show disruptions in schizophrenia, suggesting their intersection may be a window on the core process producing psychosis. This study investigated diagnostic and sex differences in hedonic judgments of odors and smell identification in 26 schizophrenia cases and 27 healthy controls. Associations between olfaction measures and psychiatric symptoms were also examined. Cases and controls had similar identification accuracy of unpleasant odors, but cases were significantly less accurate in naming pleasant odors. In cases, greater negative symptom severity was related to abnormal hedonic judgments; specifically, higher pleasantness ratings for unpleasant odors and higher unpleasantness ratings for pleasant odors. Greater positive symptom severity was associated with lower pleasantness ratings for neutral odors. Regarding sex differences, male cases and female controls rated pleasant odors as significantly more unpleasant than male controls. Correlations between depression severity and pleasantness ratings of neutral odors were in opposite directions in male and female cases. These results suggest that a normal sexual dimorphism in the circuitry for hedonic odor judgments may interact with schizophrenia pathology, supporting the utility of olfactory hedonics as a sex-specific biomarker of this pathology.

Yoga and Emotion Regulation in High School Students: A Randomized Controlled Trial.

Middle adolescents (15-17 years old) are prone to increased risk taking and emotional instability. Emotion dysregulation contributes to a variety of psychosocial difficulties in this population. A discipline such as yoga offered during school may increase emotion regulation, but research in this area is lacking. This study was designed to evaluate the impact of a yoga intervention on the emotion regulation of high school students as compared to physical education (PE). In addition, the potential mediating effects of mindful attention, self-compassion, and body awareness on the relationship between yoga and emotion regulation were examined. High school students were randomized to participate in a 16-week yoga intervention (n = 19) or regular PE (n = 18). Pre-post data analyses revealed that emotion regulation increased significantly in the yoga group as compared to the PE group (F (1,32) = 7.50, p = .01, and eta(2) = .19). No significant relationship was discovered between the changes in emotion regulation and the proposed mediating variables. Preliminary results suggest that yoga increases emotion regulation capacities of middle adolescents and provides benefits beyond that of PE alone.

Impairment in emotional modulation of attention and memory in schizophrenia.

Emotion plays a critical role in cognition and goal-directed behavior via complex interconnections between the emotional and motivational systems. It has been hypothesized that the impairment in goal-directed behavior widely noted in schizophrenia may result from defects in the interaction between the neural (ventral) emotional system and (rostral) cortical processes. The present study examined the impact of emotion on attention and memory in schizophrenia. Twenty-five individuals with schizophrenia related psychosis and 25 healthy control subjects were administered a computerized task in which they were asked to search for target images during a Rapid Serial Visual Presentation of pictures. Target stimuli were either positive or negative, or neutral images presented at either 200ms or 700ms lag. Additionally, a visual hedonic task was used to assess differences between the schizophrenia group and controls on ratings of valence and arousal from the picture stimuli. Compared to controls, individuals with schizophrenia detected fewer emotional images under both the 200ms and 700ms lag conditions. Multivariate analyses showed that the schizophrenia group also detected fewer positive images under the 700ms lag condition and fewer negative images under the 200ms lag condition. Individuals with schizophrenia reported higher pleasantness and unpleasantness ratings than controls in response to neutral stimuli, while controls reported higher arousal ratings for neutral and positive stimuli compared to the schizophrenia group. These results highlight dysfunction in the neural modulation of emotion, attention, and cortical processing in schizophrenia, adding to the growing but mixed body of literature on emotion processing in the disorder.

Examining the role of trauma, personality, and meaning in young prolonged grievers.

PURPOSE: Younger spouses or partners have been understudied in the prolonged grief literature. The purpose of this study was to determine rates of prolonged grief in young spouses or partners and the associations between prolonged grief and personality styles (specifically, narcissistic, histrionic, and obsessive), trauma history, and the perceived meaning of the loss in the young conjugally bereaved. PARTICIPANTS AND METHOD: Participants between 20 and 50 years old who lost a spouse/partner to cancer 6 months-3 years prior to the study completed the following measures during one time point (via phone or in person interviews): Prolonged Grief-13, traumatic life events questionnaire, Millon clinical multiaxial inventory-III, and grief meaning reconstruction inventory. RESULTS: Fifty-six spouses and partners (51.8% women) completed the interviews (mean age: 44.54 ± 4.20 years). The participants (49.1%) reported elevated rates of prolonged grief and 12.3% of the participants were diagnosed with prolonged grief with the recently published diagnostic algorithm. Bivariate analyses demonstrated an association between prolonged grief and negative meaning of the loss (r = 0.73; p < 0.01) and the frequency of the traumatic events (r = 0.23; p < 0.05). Multivariate analyses revealed that negative meaning of the loss was the only significant predictor of prolonged grief (Beta = 0.71; p = 0.0001). CONCLUSION: Elevated levels of prolonged grief were found in this population, suggesting a need for further research into young spousal grief. Young bereaved spouses may lack flexibility in reconstructing their view of the world as the death may invalidate their previously held world beliefs.

Changes in neuropsychological functioning following treatment with risperidone, olanzapine, and conventional antipsychotic medications.

OBJECTIVE: To compare changes in neuropsychological functioning over time among adults with schizophrenia treated with atypical and conventional antipsychotics, controlling for phenomenological changes, medication dosage, concomitant use of anticholinergic medications, and practice effects. METHODS: In a larger clinical trial, 108 patients diagnosed with schizophrenia or schizoaffective disorder were randomly assigned to medication groups (risperidone, olanzapine, or conventional medications), treated in an open-label design, and monitored prospectively for 12 months using standard neuropsychological and symptomatology instruments. RESULTS: Significant differential effects were evident on the ability to maintain and rapidly shift mental set within a psychomotor task, with patients in the conventional medication group consistently making more errors over time until the 12-month follow-up, when the olanzapine group made significantly more errors. Significant differential effects were also evident on delayed memory, with patients receiving olanzapine improving more steadily over time until the 12-month follow-up, when patients in the conventional group were able to recall significantly more. Positive and negative symptomatology was a significant, inversely related covariate on most of the cognitive measures examined. CONCLUSIONS: The atypical and conventional medications examined were not consistently differential enhancers of cognitive functioning on disparate cognitive functioning measures over time.

Factors of complicated grief pre-death in caregivers of cancer patients.

PURPOSE: Over the past decade, Prigerson and her colleagues have shown that symptoms of 'complicated grief'-intense yearning, difficulty accepting the death, excessive bitterness, numbness, emptiness, and feeling uneasy moving on and that the future is bleak-are distinct from depression and anxiety and are independently associated with substantial morbidity. Little is known about complicated grief experienced by family caregivers prior to the death. This study sought to examine differences in caregiver age groups and potential risk factors for complicated grief pre-death. METHOD: Two hundred and forty eight caregivers from multiple sites nationwide (20-86 years of age) identified themselves as primary caregivers to a terminally ill cancer patient. Each caregiver was interviewed using the following measures: the Pre-Death Inventory of Complicated Grief-Caregiver Version; the Brief Interpersonal Support Evaluation List; the Structured Clinical Interview for the DSM-IV Axis I; the Life Orientation Test-Revised; the SEPRATE Measure of Stressful Life Events; the Covinsky Family Impact Survey; and mental health access questions. RESULTS: The study found that those under 60 years old had higher levels of complicated grief pre-death than caregivers 60 and older (t(246) = 2.30, p < 0.05). Significant correlations were also found between levels of complicated grief pre-loss and the following psychosocial factors: perceived social support (r = -0.415, p < 0.001); history of depression (r = -0.169, p < 0.05); current depression (r = -0.158, p < 0.05); current annual income (Spearman rho = -0.210, p < 0.01); annual income at time of patient's diagnosis (Spearman rho = -0.155, p = 0.05); pessimistic thinking (r = 0.320, p < 0.001); and number of moderate to severe stressful life events (Spearman rho = 0.218, p = 0.001). In a multi-variate analysis (R(2) = 0.368), pessimistic thinking (Beta = 0.208, p < 0.05) and severity of stressful life events (Beta = 0.222, p < 0.05) remained as important factors to developing complicated grief pre-death. CONCLUSIONS: These results suggest that mental health professionals who work with caregivers should pay particular attention to pessimistic thinking and stressful life events, beyond the stress of the loved one's illness, that caretakers experience. Additionally, although not reaching significance, mental health professionals should also consider younger caregivers at greater risk for complicated grief pre-loss.

Bipolar disorder with comorbid cluster B personality disorder features: impact on suicidality.

BACKGROUND: Because of their overlapping phenomenology and mutually chronic, persistent nature, distinctions between bipolar disorder and cluster B personality disorders remain a source of unresolved clinical controversy. The extent to which comorbid personality disorders impact course and outcome for bipolar patients also has received little systematic study. METHOD: One hundred DSM-IV bipolar I (N = 73) or II (N = 27) patients consecutively underwent diagnostic evaluations with structured clinical interviews for DSM-IV Axis I and cluster B Axis II disorders, along with assessments of histories of childhood trauma or abuse. Cluster B diagnostic comorbidity was examined relative to lifetime substance abuse, suicide attempt histories, and other clinical features. RESULTS: Thirty percent of subjects met DSM-IV criteria for a cluster B personality disorder (17% borderline, 6% antisocial, 5% histrionic, 8% narcissistic). Cluster B diagnoses were significantly linked with histories of childhood emotional abuse (p = .009), physical abuse (p = .014), and emotional neglect (p = .022), but not sexual abuse or physical neglect. Cluster B comorbidity was associated with significantly more lifetime suicide attempts and current depression. Lifetime suicide attempts were significantly associated with cluster B comorbidity (OR = 3.195, 95% CI = 1.124 to 9.088), controlling for current depression severity, lifetime substance abuse, and past sexual or emotional abuse. CONCLUSIONS: Cluster B personality disorders are prevalent comorbid conditions identifiable in a substantial number of individuals with bipolar disorder, making an independent contribution to increased lifetime suicide risk.

Impact of childhood abuse on the clinical course of bipolar disorder.

BACKGROUND: Few investigations have examined the impact of childhood trauma, and domains of childhood abuse, on outcome in bipolar disorder. AIMS: To evaluate the prevalence and subtypes of childhood abuse reported by adult patients with bipolar disorder and relationship to clinical outcome. METHOD: Prevalence rates of childhood abuse were retrospectively assessed and examined relative to illness complexity in a sample of 100 patients at an academic specialty centre for the treatment of bipolar disorder. RESULTS: Histories of severe childhood abuse were identified in about half of the sample and were associated with early age at illness onset. Abuse subcategories were strongly inter-related. Severe emotional abuse was significantly associated with lifetime substance misuse comorbidity and past-year rapid cycling. Logistic regression indicated a significant association between lifetime suicide attempts and severe childhood sexual abuse. Multiple forms of abuse showed a graded increase in risk for both suicide attempts and rapid cycling. CONCLUSIONS: Severe childhood trauma appears to have occurred in about half of patients with bipolar disorder, and may lead to more complex psychopathological manifestations.

Rethinking medication prescribing practices in an inner-city Hispanic mental health clinic.

Improved compliance with pharmacotherapy was achieved in treating Hispanic outpatients with psychotic disorders when recognition of culturally based differences between patients and psychiatrists led to modifications in prescribing practices. Unacculturated Hispanic outpatients experienced akathisia as an increase in "nerviosismo." Addressing this issue, as well as using anxiolytics and low doses of antipsychotics when beginning treatment, led to an improvement in compliance. Increased discussion of other antipsychotic side effects, which forced us to confront our false assumption that unacculturated Hispanics would be prone to suggestibility and, therefore, that discussions of side effects would lead to an increase in somatization, similarly improved medication compliance and therapeutic alliance. Practicing psychiatrists need to become aware of cultural factors to better treat patients with different backgrounds.