Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 48 for “"Negative symptoms"”.
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EXPERIENTIAL NEGATIVE SYMPTOMS IN YOUNG ADULTS ENDORSING PSYCHOTIC-LIKE EXPERIENCES
… of risk factors for psychosis focus on positive symptoms, such as subthreshold levels of hallucinations and delusions, fewer studies have examined negative symptoms in the early course of the schizophrenia or other psychotic disorders. This relative lack of focus on the role of negative symptoms …
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Social recovery following first-episode psychosis: the role of negative symptoms and motivation
… following psychosis is associated with negative symptoms, particularly reduced motivation (Foussias & Remington, 2010). Cognitive models of negative symptoms propose that expectancy appraisals are involved in the expression and maintenance of negative symptoms (Rector, Beck, & Stolar, …
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Sustained and Transient Reward Effect on Cognitive Control in Schizophrenia: The Relevance of Negative Symptoms
… and amotivation, generally referred to as negative symptoms, including anhedonia and/or avolition. Amotivation tends to exist in prodromal patients and persist over the illness course regardless of successful antipsychotic medications, which are known to reduce positive symptoms, including …
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Investigating the relationship between negative symptoms, autobiographical memory and concept of self in people recovering from first episode psychosis
… proportion of people who experience FEP display symptoms indicative of PTSD, it seems plausible that current theories derived from PTSD research may be useful in explaining some of the mechanisms involved in FEP. The study initially explored the idea that negative symptoms of psychosis are a …
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A qualitative analysis of the negative symptoms of schizophrenia interfering with academic and social success, and the exacerbators and diminishers of those symptoms.
… for schizophrenia are controlling the positive symptoms of hallucinations, illusions, and the severest of delusions, thus enabling these students to remain in school. However, many interfering negative symptoms remain (e.g., loss of goals, loss of former interests, cognitive regression). The …
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Determinants of Perceived Social Support in Individuals with Serious mental Illness: A Secondary Analysis
… to further investigate relationships among negative symptoms, social cognition, social anxiety, and perceived social support in a population of outpatient community mental health participants with SMI. Sixty participants were included in this secondary analysis from data collected as part of …
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The Validity and Comparison of Two Affiliation Tasks in Schizophrenia
Negative symptoms are related to worse psychosocial functioning in schizophrenia. The current study evaluates two behavioral affiliation tasks—the video-based Social Affiliation Interaction Task (SAIT) and the in-vivo Conversation Task (CT)—and explores whether behavioral ratings of social …
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Negative symptons experienced by people with schizophrenia and schizoaffective disorder who use cannabis: a pilot study within assertive outreach services
… impact of different psychological therapies on negative symptoms in schizophrenia and related disorders. The research paper describes an investigation into the negative symptoms experienced by people with schizophrenia or schizoaffective disorder who use cannabis, compared to those who do not. …
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Investigation into cognitive function in first episode psychosis and chronic schizophrenia patients. An investigation into cognitive deficits associated with first episode psychosis and chronic schizophrenia patients in South Asian and Caucasian populations as assessed by the Cambridge Neuropsychological Test Automated Battery (CANTAB).
… estimate subjects pre-morbid IQ. The severity of symptoms was assessed using the Positive and Negative Syndrome Scale (PANSS). All subjects who took part in the study completed a comprehensive battery of neuropsychological tests from the CANTAB®. Patients in the cognitive remediation study …
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Effects of perinatal phencyclidine treatment on neuronal viability, N-methyl-D-aspartate receptor regulation and schizophrenic-like behaviors
… also been shown to mimic both the positive and negative symptoms of schizophrenia as well as exacerbate psychoses in schizophrenics. PCP elicits its major actions as a noncompetitive NMDA receptor (NMDAR) antagonist. Administration to immature rats has been shown to cause neurotoxicity in a …
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An Examination of Clinical High-Risk Status, Sleep Quality, and Verbal Memory in a Community Sample Enriched for Psychosis Risk
… disturbances are associated with heightened CHR symptoms over time. Sleep is also vital for neural plasticity and other processes relating to human functioning. Verbal episodic memory is highly susceptible to sleep loss and is also notable for its discriminative utility in predicting likelihood …
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Antecedents and Functional Outcomes of Motivation to Expend Physical and Cognitive Effort in Early Psychosis
… reinforcement context, cognitive control, and negative symptom dimensions, predicted physical versus cognitive effort. Probability of pay-out advertised by the task disproportionately drove decisions to expend cognitive effort, whereas expected value (probability and reward) and cognitive …
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Exploring the Dynamic Assessment Paradigm and its usefulness at Assessing Learning Potential of Schizophrenia Patients
… function (IQ), age, medication dosage, and negative symptoms. The studies result supported the assertion that DA provides a unique prediction about a schizophrenia patient?s Learning Potential, and paves the way for future longitudinal studies to examine more directly the relationship …
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Cognitive Differentiation of Schizophrenia and Depression
… subtype, N2b for was nonsignificantly higher in negative-symptom schizophrenics, who most resemble depressives. Results suggest that in certain MMN paradigms which removed stimulus confounds, schizophrenics can produce an normal MMN, which is appropriately influenced by preceding stimulus …
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Locus-coeruleus norepinephrine system function in a developmental animal model of schizophrenia: the socially isolated rat
… mental disorder characterised by positive, negative and cognitive symptoms. Current treatment regimens fail to adequately address the cognitive and negative symptoms of the disorder. Social isolation rearing (SIR) is a well-established developmental adversity paradigm which is used as an …
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Posttraumatic Outcome of Intimate Partner Violence: An Examination of Risk Factors
… victimization experience clinically significant negative outcomes following IPV exposure. For those that do experience negative outcomes, researchers need to identify the mechanisms through which they develop and the manner in which negative symptoms may develop differentially across individuals. …
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The role of physical activity and unhealthy diet on ADHD symptoms and emotional well-being in adolescents diagnosed with ADHD
… these non-pharmacological interventions on ADHD symptoms and emotional well-being among adolescents diagnosed with ADHD. The aim of this study was to examine this relationship among 13-16 years old adolescents diagnosed with ADHD. The data used in this study came from the 2014 annual …
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An examination of the relationship between positive psychological functioning and depression
… dimension that concentrates on the presence of negative symptomatology. This is reflective of an illness model of mental health that predominantly considers the presence of negative symptoms in terms of mood, cognitions, behaviours, and overall functioning. Nevertheless, there is strong research …
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Exploring the role of Rapgef6 in neuropsychiatric disorders
… pathophysiology, particularly contributing to negative symptoms, as well as novel therapeutic targets in schizophrenia.
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