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2.
Schizophr Res ; 230: 17-23, 2021 04.
Article in English | MEDLINE | ID: mdl-33667854

ABSTRACT

OBJECTIVES: People with schizophrenia (SCZ) and bipolar illness (BPI) generate self-reports of their functioning that diverge from objective information. It has been suggested that these participants do not base such reports on daily experiences, relying on other information. We used ecological momentary assessment (EMA) to sample socially relevant daily activities in SCZ and BPI and related them to self-reported and observer-rated social functioning and social cognitive ability. METHODS: 71 people with (BPI) were compared to 102 people with SCZ. Participants were sampled 3 times per day for 30 days with a smartphone-based survey. Each survey asked where they were, with whom they were, what they were doing, and if they were sad. Participants and observers were asked to provide ratings on social functioning and social cognitive abilities at the end of the EMA period. RESULTS: There was no association between being home or alone and self-reports of everyday social functioning. In contrast observer ratings were highly correlated with the momentary survey results. Reports of very low levels of sadness were associated with overestimated functioning and participants who were commonly home and alone rated their social functioning as better than participants who were commonly away in the presence of others. IMPLICATIONS: Both SCZ and BPI were marked by a disconnect between momentary experiences and self-reports. The largest effect was overestimation of functioning by participants who reported no sadness. Experience appears important, as participants who were routinely home and alone reported better social functioning than participants who spent more time others.


Subject(s)
Bipolar Disorder , Schizophrenia , Ecological Momentary Assessment , Humans , Self Report , Social Cognition , Social Interaction
3.
Psychiatry Res ; 297: 113736, 2021 03.
Article in English | MEDLINE | ID: mdl-33486272

ABSTRACT

Suicide risk assessment is a subjective process and remains a clinical challenge in psychiatry. We aimed to examine physicians' characteristics that influence management of acutely suicidal patients. In a cross-sectional design, we performed an anonymous internet survey of psychiatry residents and attendings from four academic centers. Gender, years of experience, practice setting, prior patient suicide, and personal exposure to suicide were characterized. Participants were presented with three clinical vignettes and asked to rate suicide risk and clinical disposition. The relationship between responses to the vignettes and physician characteristics were examined with generalized linear models. Fifty-four residents and 49 attendings completed the survey. Four (7%) residents and 24 (49%) attendings had patients die by suicide, whereas 32 (59%) and 36 (74%), respectively, knew somebody outside their practice who died by suicide. Among residents, lower rating of acute suicide risk was associated with prior exposure to non-patient suicide. Less hospitalization chosen by attendings was associated with greater perceived difficulty of suicide risk assessment. In the combined resident and attending sample, less proneness to hospitalize was associated with number of previous patients die by suicide and with outpatient practice. Our results suggest that previous exposure to suicide is associated with more risk-averse management.


Subject(s)
Physicians , Psychiatry , Suicide , Cross-Sectional Studies , Humans , Suicidal Ideation
5.
Schizophr Bull ; 42(1): 19-33, 2016 Jan.
Article in English | MEDLINE | ID: mdl-26362273

ABSTRACT

If treatments for cognitive impairment are to be utilized successfully, clinicians must be able to determine whether they are effective and which patients should receive them. In order to develop consensus on these issues, the International Society for CNS Clinical Trials and Methodology (ISCTM) held a meeting of experts on March 20, 2014, in Washington, DC. Consensus was reached on several important issues. Cognitive impairment and functional disability were viewed as equally important treatment targets. The group supported the notion that sufficient data are not available to exclude patients from available treatments on the basis of age, severity of cognitive impairment, severity of positive symptoms, or the potential to benefit functionally from treatment. The group reached consensus that cognitive remediation is likely to provide substantial benefits in combination with procognitive medications, although a substantial minority believed that medications can be administered without nonpharmacological therapy. There was little consensus on the best methods for assessing cognitive change in clinical practice. Some participants supported the view that performance-based measures are essential for measurement of cognitive change; others pointed to their cost and time requirements as evidence of impracticality. Interview-based measures of cognitive and functional change were viewed as more practical, but lacking validity without informant involvement or frequent contact from clinicians. The lack of consensus on assessment methods was viewed as attributable to differences in experience and education among key stakeholders and significant gaps in available empirical data. Research on the reliability, validity, sensitivity, and practicality of competing methods will facilitate consensus.


Subject(s)
Antipsychotic Agents/therapeutic use , Cognition Disorders/therapy , Nootropic Agents/therapeutic use , Psychiatric Rehabilitation/methods , Schizophrenia/therapy , Schizophrenic Psychology , Cognition Disorders/diagnosis , Cognition Disorders/psychology , Humans , Neuropsychological Tests , Patient Selection , Schizophrenia/diagnosis , Severity of Illness Index
6.
Front Mol Neurosci ; 8: 57, 2015.
Article in English | MEDLINE | ID: mdl-26483630

ABSTRACT

Several lines of evidence indicate that schizophrenia has a strong genetic component. But the exact nature and functional role of this genetic component in the pathophysiology of this mental illness remains a mystery. Long non-coding RNAs (lncRNAs) are a recently discovered family of molecules that regulate gene transcription through a variety of means. Consequently, lncRNAs could help us bring together apparent unrelated findings in schizophrenia; namely, genomic deficiencies on one side and neuroimaging, as well as postmortem results on the other. In fact, the most consistent finding in schizophrenia is decreased brain size together with enlarged ventricles. This anomaly appears to originate from shorter and less ramified dendrites and axons. But a decrease in neuronal arborizations cannot explain the complex pathophysiology of this psychotic disorder; however, dynamic changes in neuronal structure present throughout life could. It is well recognized that the structure of developing neurons is extremely plastic. This structural plasticity was thought to stop with brain development. However, breakthrough discoveries have shown that neuronal structure retains some degree of plasticity throughout life. What the neuroscientific field is still trying to understand is how these dynamic changes are regulated and lncRNAs represent promising candidates to fill this knowledge gap. Here, we present evidence that associates specific lncRNAs with schizophrenia. We then discuss the potential role of lncRNAs in neurostructural dynamics. Finally, we explain how dynamic neurostructural modifications present throughout life could, in theory, reconcile apparent unrelated findings in schizophrenia.

7.
Psychiatry Res ; 229(1-2): 347-52, 2015 Sep 30.
Article in English | MEDLINE | ID: mdl-26160197

ABSTRACT

A substantial research literature implicates potential racial/ethnic bias in the diagnosis of schizophrenia and in clinical ratings of psychosis. There is no similar information regarding bias effects on ratings of everyday functioning. Our aims were to determine if Caucasian raters vary in their ratings of the everyday functioning of schizophrenia patients of different ethnicities, to find out which factors determine accurate self-report of everyday functioning in different ethnic groups, and to know if depression has similar effects on the way people of different ethnicities self-report their current functionality. We analyzed data on 295 patients with schizophrenia who provided their self-report of their everyday functioning and also had a Caucasian clinician rating their functionality. Three racial/ethnic groups (African American (AA), Hispanic and Caucasian) were studied and analyzed on the basis of neurocognition, functional capacity, depression and real-world functional outcomes. No differences based on racial/ethnic status in clinician assessments of patients' functionality were found. Differences between racial groups were found in personal and maternal levels of education. Severity of depression was significantly correlated with accuracy of self-assessment of functioning in Caucasians, but not in AAs. Higher scores on neurocognition and functional capacity scales correlated with reduced overestimation of functioning in AAs, but not in Hispanics. This data might indicate that measurement of everyday functionality is less subject to rater bias than measurement of symptoms of schizophrenia.


Subject(s)
Black or African American/ethnology , Hispanic or Latino/ethnology , Physician's Role , Schizophrenia/ethnology , Schizophrenic Psychology , White People/ethnology , Adult , Black or African American/psychology , Cohort Studies , Female , Hispanic or Latino/psychology , Hospitals, Veterans , Humans , Male , Physician's Role/psychology , Psychiatric Status Rating Scales , Schizophrenia/diagnosis , Self Report , White People/psychology
8.
Schizophr Res ; 165(1): 76-82, 2015 Jun.
Article in English | MEDLINE | ID: mdl-25868935

ABSTRACT

Cognition, negative symptoms, and depression are potential predictors of disability in schizophrenia. We present analyses of pooled data from four separate studies (all n>169; total n=821) that assessed differential aspects of disability and their potential determinants. We hypothesized that negative symptoms would predict social outcomes, but not vocational functioning or everyday activities and that cognition and functional capacity would predict vocational functioning and everyday activities but not social outcomes. The samples were rated by clinician informants for their everyday functioning in domains of social and vocational outcomes, and everyday activities, examined with assessments of cognition and functional capacity, rated clinically with the Positive and Negative Syndrome Scale (PANSS) and self-reporting depression. We computed a model that tested the hypotheses described above and compared it to a model that predicted that negative symptoms, depression, cognition, and functional capacity had equivalent influences on all aspects of everyday functioning. The former, specific relationship model fit the data adequately and we subsequently confirmed a similar fit within all four samples. Analyses of the relative goodness of fit suggested that this specific model fit the data better than the more general, equivalent influence predictor model. We suggest that treatments aimed at cognition may not affect social functioning as much as other aspects of disability, a finding consistent with earlier research on the treatment of cognitive deficits in schizophrenia, while negative symptoms predicted social functioning. These relationships are central features of schizophrenia and treatment efforts should be aimed accordingly.


Subject(s)
Activities of Daily Living , Cognition Disorders/etiology , Schizophrenia/complications , Schizophrenic Psychology , Social Adjustment , Adult , Aged , Depression/etiology , Female , Humans , Male , Middle Aged , Neuropsychological Tests , Psychiatric Status Rating Scales
9.
Neuropsychology ; 29(5): 675-82, 2015 Sep.
Article in English | MEDLINE | ID: mdl-25643212

ABSTRACT

OBJECTIVE: Self-assessment deficits, often referred to as impaired insight or unawareness of illness, are well established in people with schizophrenia. There are multiple levels of awareness, including awareness of symptoms, functional deficits, cognitive impairments, and the ability to monitor cognitive and functional performance in an ongoing manner. The present study aimed to evaluate the comparative predictive value of each aspect of awareness on the levels of everyday functioning in people with schizophrenia. METHOD: We examined multiple aspects of self-assessment of functioning in 214 people with schizophrenia. We also collected information on everyday functioning rated by high contact clinicians and examined the importance of self-assessment for the prediction of real-world functional outcomes. The relative impact of performance-based measures of cognition, functional capacity, and metacognitive performance on everyday functioning was also examined. RESULTS: Misestimation of ability emerged as the strongest predictor of real-world functioning and exceeded the influences of cognitive performance, functional capacity performance, and performance-based assessment of metacognitive monitoring. The relative contribution of the factors other than self-assessment varied according to which domain of everyday functioning was being examined, but, in all cases, accounted for less predictive variance. CONCLUSION: These results underscore the functional impact of misestimating one's current functioning and relative level of ability. These findings are consistent with the use of insight-focused treatments and compensatory strategies designed to increase self-awareness in multiple functional domains.


Subject(s)
Cognition Disorders/psychology , Cognition , Schizophrenia , Schizophrenic Psychology , Self-Assessment , Activities of Daily Living , Adult , Affect , Female , Humans , Male , Psychiatric Status Rating Scales , Psychomotor Performance
10.
Eur Neuropsychopharmacol ; 25(2): 185-91, 2015 Feb.
Article in English | MEDLINE | ID: mdl-25104226

ABSTRACT

Awareness of illness is a major factor in schizophrenia and extends into unawareness of cognitive and functional deficits. This unawareness of functional limitations has been shown to be influenced by several different predictive factors, including greater impairment and less severe depression. As treatment efforts are aimed at reducing cognitive deficits, discovery of the most efficient assessment strategies for detection of cognitive and functional changes is critical. In this study, we collected systematic assessments from high contact clinicians focusing on their impressions of the cognitive deficits and everyday functioning in a sample of 169 community dwelling patients with schizophrenia. The patients provided self-report on those same rating scales, as well as self-reporting their depression and performing an assessment of cognitive performance and functional skills. There was essentially no correlation between patients' self-reports of their cognitive performance and functional skills and either clinician ratings of these skills or the results of the performance-based assessments. In contrast, clinician reports of cognitive impairments and everyday functioning were correlated with objective performance data. Depression on the part of patients was associated with ratings of functioning that were both more impaired and more congruent with clinician impressions, while overall patients reported less impairment than clinicians. These results underscore the limitations of self-reported cognitive functioning even with structured rating scales. Concurrently, clinicians provided ratings of cognitive performance that were related to scores on objective tests, even though they were unaware of the results of those assessments.


Subject(s)
Cognition , Diagnostic Self Evaluation , Schizophrenic Psychology , Activities of Daily Living , Adult , Cognition Disorders/diagnosis , Cognition Disorders/physiopathology , Employment , Female , Health Personnel , Humans , Interpersonal Relations , Interview, Psychological , Male , Outpatients , Psychiatric Status Rating Scales , Schizophrenia/diagnosis , Schizophrenia/physiopathology , Schizophrenia/therapy , Self Report , United States
11.
Clin Schizophr Relat Psychoses ; 8(4): 205-8, 2015 Jan.
Article in English | MEDLINE | ID: mdl-23518784

ABSTRACT

BACKGROUND: Synthetic cannabinoid (SC) or "spice" refers to a variety of herbal/chemical mixtures, which mimic the effects of marijuana. They are generally marked as "herbal incense" and best known by the brand names of "K2," "spice," "aroma," "Mr. Nice Guy" and "dream." Little data are available on the psychopathological and physical effects of SC. CASE DESCRIPTION: We reported on a 23-year-old man without prior psychiatric history who developed acute psychosis and severe rhabdomyolysis (creatine phosphokinase [CPK]: 44,300 UI/L) associated with "Mr. Nice Guy" consumption. To our knowledge, this is the first case report of severe rhabdomyolysis associated with SC use in the U.S. CONCLUSIONS: Physicians should be aware of the possibility of new-onset psychotic symptoms and rhabdomyolysis in patients that use SC.


Subject(s)
Cannabinoids/pharmacology , Illicit Drugs/pharmacology , Psychoses, Substance-Induced/complications , Rhabdomyolysis/chemically induced , Rhabdomyolysis/complications , Adult , Humans , Male , Young Adult
12.
Schizophr Res Cogn ; 1(1): e41-e46, 2014 Mar.
Article in English | MEDLINE | ID: mdl-25254157

ABSTRACT

Vocational functioning is markedly impaired in people with schizophrenia. In addition to low rates of employment, people with schizophrenia have been reported to be underachieved compared to other family members. Among the causes of this vocational impairment may be cognitive deficits and other skills deficits, as well as social factors impacting on opportunities for employment. In this study, we examined two separate samples of people with schizophrenia who differed in their educational and social backgrounds. We compared personal and maternal education in people with schizophrenia attending an outpatient rehabilitation facility (n = 57) or receiving outpatient services at a VA medical center (n = 39). The sample as a whole showed evidence of decline in vocational status from their best job to their most recent job. Patients attending a rehabilitation facility had completed less education than their mothers, while the VA patients completed more. Differences between personal and maternal education predicted the difference in status between best and latest jobs in the sample as a whole. VA patients were more likely to be living independently and performed better on a measure of functional capacity than the rehabilitation sample. These data implicate vocational decline in schizophrenia and also suggest that this decline may originate prior to the formal onset of the illness. At the same time, vocational outcomes appear to be related to social opportunities.

13.
Psychosom Med ; 76(6): 445-51, 2014.
Article in English | MEDLINE | ID: mdl-24988311

ABSTRACT

OBJECTIVE: Despite identification of several risk factors, suicide prediction and prevention is still a clinical challenge. Suicide can be seen as a consequence of poor decision making triggered by overwhelming psychological pain. We examined the relationship of choice impulsivity and psychological pain in depressed patients with acute suicidality. METHODS: Impulsive choice (delay discounting), psychological pain, and clinical characteristics were assessed in four groups of adults (N = 20-22): a) depressed patients within 72 hours after a suicide attempt, b) depressed patients with active suicidal ideation, c) nonsuicidal depressed patients, and d) healthy controls. RESULTS: Impulsive choice was higher in the suicide attempt (0.114 [0.027]) and ideation (0.099 [0.020]) groups compared with nonsuicidal depressed (0.079 [0.020]) and healthy (0.066 [0.019]) individuals (F(3,79) = 3.06, p = .042). Psychological pain data showed a similar profile (F(3,78) = 43.48, p < .001), with 43.4 (2.9) rating of psychological pain for the suicide attempt, 54.3 (2.2) for suicide ideation, 37.0 (3.2) for nonsuicidal depressed, and 13.7 (0.5) for healthy groups. Within the suicide attempt group, persisting suicidal ideation was associated with more severe depression (36.6 [2.9] versus 21.5 [3.1], p = .007) and choice impulsivity (0.134 [0.03] versus 0.078 [0.04], p = .015). Both measures normalized within a week: depression (29.9 [2.6] versus 14.4 [3.0], p = .006) and choice impulsivity (0.114 [0.026] versus 0.066 [0.032], p = .019). CONCLUSIONS: Transient impulsive choice abnormalities are found in a subset of those who attempt suicide. Both, suicidal ideation and behavior were associated with choice impulsivity and intense psychological pain.


Subject(s)
Delay Discounting/physiology , Depressive Disorder/psychology , Impulsive Behavior/physiology , Pain/psychology , Suicidal Ideation , Suicide, Attempted/psychology , Adult , Female , Humans , Male , Middle Aged , Severity of Illness Index
14.
Psychiatry Res ; 207(1-2): 19-24, 2013 May 15.
Article in English | MEDLINE | ID: mdl-23537844

ABSTRACT

Between 50% and 80% of patients with schizophrenia do not believe they have any illness, and their self-assessment of cognitive impairments and functional abilities is also impaired compared to other information, including informant reports and scores on performance-based ability measures. The present article explores self-assessment accuracy in reference to real world functioning as measured by milestone achievement such as employment and independent living. Our sample included 195 people with schizophrenia examined with a performance-based assessment of neurocognitive abilities and functional capacity. We compared patient self-assessments across achievement of milestones, using patient performance on cognitive and functional capacity measures as a reference point. Performance on measures of functional capacity and cognition was better in people who had achieved employment and residential milestones. Patients with current employment and independence in residence rated themselves as more capable than those who were currently unemployed or not independent. However, individuals who had never had a job rated themselves at least as capable as those who had been previously employed. These data suggest that lifetime failure to achieve functional milestones is associated with overestimation of abilities. As many patients with schizophrenia never achieve milestones, their self-assessment may be overly optimistic as a result.


Subject(s)
Achievement , Cognition Disorders/etiology , Schizophrenia/complications , Schizophrenic Psychology , Self-Assessment , Activities of Daily Living/psychology , Adult , Cognition Disorders/diagnosis , Employment , Female , Humans , Male , Middle Aged , Neuropsychological Tests , Psychiatric Status Rating Scales , Psychomotor Performance/physiology , Schizophrenia/diagnosis
15.
J Psychiatr Res ; 46(12): 1546-52, 2012 Dec.
Article in English | MEDLINE | ID: mdl-22979993

ABSTRACT

Everyday functioning is known to be impaired in people with schizophrenia, across multiple functional domains. It is not clear, however, how impairments across social, vocational, and residential domains overlap with each other, Further, although there are multiple ratings scales available to rate everyday functioning, it is also not clear how scores on these scales, particularly total scores, relate to milestone achievement. This is important, because efforts to reduce disability with pharmacological or rehabilitative interventions are ultimately evaluated in terms of their impact on everyday functioning, which is often indexed with total scores on rating scales. In this paper from the VALERO study, we report on 195 people with schizophrenia who were rated with a comprehensive process on 6 different functional status rating scales. Milestone achievements in social (ever married or equivalent), vocational (ever employed, currently employed), and residential (living independently, financially responsible) domains were examined for their overlap with each other and with ratings on the rating scales. Total scores on the 6 rating scales were minimally related to milestone achievements and milestone achievements were quite independent of each other. Subscales from two of the rating scales, specifically examining vocational and residential functioning, were specifically related to milestone achievements in their functional domains, but not other milestones. These data suggest that global scores on everyday functioning measures may not capture functional milestones and highlight the fact that functional milestones have multiple determinants other then the ability variables that these rating scales attempt to capture.


Subject(s)
Disability Evaluation , Psychiatric Status Rating Scales/standards , Schizophrenia/diagnosis , Schizophrenic Psychology , Achievement , Activities of Daily Living/psychology , Adult , Humans , Middle Aged , Neuropsychological Tests , Quality of Life/psychology , Social Behavior
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