Psychiatry and Psychology Commons^™

A Meta-Analytic Review Of Cognitive Functioning In Negative And Positive Symptoms Of Schizophrenia, Tiffany Forsythe

Electronic Theses and Dissertations

The purpose of the study was to conduct two meta-analytic reviews examining cognitive functioning and schizophrenia. The first review examined the literature comparing the cognitive functioning of schizophrenic patients to healthy controls. A second review examined the cognitive functioning within schizophrenic patients, examining the differences between individuals with primarily positive symptomatology and those with primarily negative symptomatology. The first meta-analysis included 19 studies which assessed 861 schizophrenic patients and 858 healthy volunteers overall. The second meta-analysis included 10 studies comparing the cognitive functioning of 1,263 schizophrenics across positive and negative symptoms. Results of the first review indicated that healthy controls …

Survey Of Primary Care Physicians’ And Pediatricians’ Competency In Identifying Prodromal Symptoms In Schizophrenia And Psychotic Disorders, Mark Shephard, Joanna Petrides Psy.D.

Rowan-Virtua Research Day

• To address whether primary care physicians and pediatricians are equipped to recognize the prodromal symptoms of psychotic disorders

• Patients of primary care physicians exhibited increased help seeking behaviors prior to schizophrenia diagnosis [1]

• Primary care physicians in numerous countries have shown a lack of sufficient knowledge related to diagnosing and treating schizophrenia [2,3,4,5,6]

• Unclear if primary care physicians in the United States are adequately trained and prepared to recognize prodromal signs of schizophrenia, and diagnose and treat a variety of psychotic disorders

The Effects Of Two Novel Anti-Inflammatory Compounds On Prepulse Inhibition And Neural Microglia Cell Activation In A Rodent Model Of Schizophrenia, Heath W. Shelton

Electronic Theses and Dissertations

Recent studies have shown elevated neuroinflammation in a large subset of individuals diagnosed with schizophrenia. A pro-inflammatory cytokine, tumor necrosis factor-alpha (TNFα), has been directly linked to this neuroinflammation. This study examined the effects of two TNFα modulators (PD2024 and PD340) produced by our collaborators at P2D Bioscience, Inc., to alleviate auditory sensorimotor gating deficits and reduce microglial cell activation present in the polyinosinic:polycytidylic (Poly I:C) rodent model of schizophrenia. Auditory sensorimotor gating was assessed using prepulse inhibition and microglial activation was examined and quantified using immunohistochemistry and confocal microscopy, respectively. Both PD2024 and PD340 alleviated auditory sensorimotor gating deficits …

Does Metacognitive Training Improve The Quality Of Life In Patients With Schizophrenia?, Amy Wei

PCOM Physician Assistant Studies Student Scholarship

Objective: The objective of this selective EBM review is to determine whether or not “Does metacognitive training (MCT) improve the quality of life in patients with schizophrenia?”

Study Design: Systematic review of three randomized controlled trials (RCTs) published in peer-reviewed journals between 2010-2014, all in the English language; two of which were published in 2014 and one in 2010.

Data Sources: Three randomized controlled trials found using PubMed.

Outcomes Measured: Quality of life with a focus on social relationships was assessed using the Brief Quality of Life Questionnaire of the World Health Organization (WHOQOL-BREF) or Quality of Life Scale (QLS). …

Is The Use Of Omega-3 Polyunsaturated Fatty Acids As Adjunctive Therapy Effective In Reducing Symptom Severity In Adult Schizophrenia Patients?, Desiree Goenaga

PCOM Physician Assistant Studies Student Scholarship

OBJECTIVE: The objective of this selective EBM review is to determine whether or not the use of omega-3 polyunsaturated fatty acids (PUFA) as adjunctive therapy is effective in reducing symptom severity in adult schizophrenia patients.

STUDY DESIGN: A selective review of three peer-reviewed, double-blind, randomized, placebo-controlled trials published between the years of 2008 and 2016.

DATA SOURCES: All three randomized control trials were published in English and were selected from peer-reviewed journals via EmBase and PubMed based on relevance to the clinical question posed above and that the outcomes measured in the studies mattered to patients, or were “patient oriented.” …

Cannabis And Psychosis Through The Lens Of Dsm-5, Nathan T. Pearson, James H. Berry

Faculty & Staff Scholarship

Evidence for an association between cannabis and psychosis has been documented in literature in many forms including experimental studies, epidemiological data, and case series. The association has implications for psychotic outcomes ranging from mild to severe and occurring over minutes to years. Due to the huge variety of exposures and outcome measures reported, creating a coherent account of all the available information is difficult. A useful way to conceptualize these wide-ranging results is to consider the association between cannabis and psychosis as it occurs within the context of widely used DSM-5 diagnoses. In the present review we examine cannabis/psychosis associations …

Inviting Hallucinatory Percepts During Speech-Listening To Detect Cognitive Changes In Early Psychosis, Ana-Bianca Popa

Electronic Thesis and Dissertation Repository

Treatment outcomes for people with schizophrenia are more favourable if treatment starts early in the course of the disorder. Current detection methods lack specificity and do not make use of cognitive markers. We presented individuals experiencing a first episode of psychosis (FEP) and matched control participants with acoustically degraded meaningful and matched nonsense sentences to examine the degree to which people reported words that were not actually presented. Intrusion errors were counted when reported words were unrelated to words in the original sentence. Intelligibility (measured as words reported correctly) did not differ between groups but intrusion errors were more frequent …

Association Between A Single Nucleotide Polymorphism In Neuregulin-1 And Schizophrenia In Pakistani Patients, Haider Ali Naqvi, Shafqat Huma, Hira Waseem, Kashaf Aqeel Zaidi, Hina Saeed Zuberi, Syed Hani Abidi

Department of Biological & Biomedical Sciences

Objective: To determine the association of single-nucleotide polymorphism8nrg433E1006 in the neuregulin-1 gene associated with schizophrenia.
Methods: This case-control study was conducted at the Fountain House, Lahore, and the psychiatric clinics at the Aga Khan University, Karachi, from 2010 to 2013.The total genomic deoxyribonucleic acid was isolated and single-nucleotide polymorphism8nrg433E1006 was screened by nested polymerase chain reaction followed by sequencing. These sequences, from patients and controls, were aligned with the human neuregulin-1-glial growth factor 2 gene sequence, which served as a reference sequence. The single nucleotide polymorphism genetic algorithm was characterised at position 433 in the neuregulin-1 gene by …

Insane: James Holmes, Clark V. Arizona, And America's Insanity Defense, Eric Collins

Journal of Law and Health

Insanity is a legal term of art that changes definitions depending on the legal standard in American jurisprudence, which explains why a man who mental health professionals described as having an uncontrollable obsession with killing people can be found not insane and guilty. This Note addresses the current state of the Insanity Defense Reform Act of 1984 and its widespread implementation at the state level. Part II supplies background information on the history of the insanity defense and how it has transformed over the years in American jurisprudence. Part III provides an analysis of the of the insanity defense. Part …

Effort-Related Decision Making In Comt Variant Mice: Pharmacological Studies And Genetic Susceptibility To Motivational Dysfunction, Suzanne Cayer

Honors Scholar Theses

Effort-related decision making tasks in animals can model motivational symptoms in humans, which are a set of symptoms spanning a multitude of neuropsychiatric disorders, such as major depressive disorder and the negative symptoms of schizophrenia. The present studies aimed to evaluate the effort-related effects of the Val158Met polymorphism of human catechol-methyltransferase (COMT), by testing mice carrying either the human COMT Val (n=8) or Met allele (n=8) with Wild-Type control mice (n=15) by using concurrent FR2 and FR4/pellet choice tasks in a touchscreen operant conditioning apparatus. The Val158Met polymorphism has been repeatedly associated with neuropsychiatric disorders, and the Val allele has …

"My Bitterness Is Deeper Than The Ocean": Understanding Internalized Stigma From The Perspectives Of Persons With Schizophrenia And Their Family Caregivers., Yin-Ling Irene Wong, Dexia Kong, Lufei Tu, Rosemary Frasso Phd, Msc, Cph

College of Population Health Faculty Papers

Background: It is estimated that 8 million of the Chinese adult population had a diagnosis of schizophrenia. Stigma associated with mental illness, which is pervasive in the Chinese cultural context, impacts both persons with schizophrenia and their family caregivers. However, a review of the literature found a dearth of research that explored internalized stigma from the perspectives of both patients and their caregivers.

Methods: We integrated data from standardized scales and narratives from semi-structured interviews obtained from eight family-dyads. Interview narratives about stigma were analyzed using directed content analysis and compared with responses from Chinese versions of the Internalized Stigma …

A Computational Assessment Of Target Engagement In The Treatment Of Auditory Hallucinations With Transcranial Direct Current Stimulation, Won Hee Lee, Nigel I. Kennedy, Marom Bikson, Sophia Frangou

Publications and Research

We use auditory verbal hallucinations (AVH) to illustrate the challenges in defining and assessing target engagement in the context of transcranial direct current stimulation (tDCS) for psychiatric disorders. We defined the target network as the cluster of regions of interest (ROIs) that are consistently implicated in AVH based on the conjunction of multimodal meta-analytic neuroimaging data. These were prescribed in the New York Head (a population derived model) and head models of four single individuals. We appraised two potential measures of target engagement, tDCS-induced peak electric field strength and tDCS-modulated volume defined as the percentage of the volume of the …

Sensory, Motor And Process Skills As Compared To Symptom Severity In Adult Patients With Schizophrenia, Lola Halperin

Occupational Therapy Faculty Publications

Schizophrenia is a serious mental illness affecting millions of Americans. It is characterized by positive and negative symptoms; cognitive impairments; and sensory, motor, and process skill deficits; as well as compromised motor learning, functional difficulties, and diminished quality of life. Neuroscientists attribute the above deficits to abnormal brain development, exaggerated synaptic pruning, and neurodegenerative processes, causing disrupted connectivity and diminished plasticity in the brain, neurotransmitter dysfunction, and impaired sensory processing.

Presently, there is no cure for schizophrenia. Numerous medications and rehabilitation modalities exist; however, many of the affected individuals continue to struggle daily. Recovery of these individuals implies symptom management …

Direct And Indirect Influences Of Defendant Mental Illness On Jury Decision Making, Marie Sabbagh

The Pegasus Review: UCF Undergraduate Research Journal

It is a common misconception that individuals with schizophrenia are significantly more dangerous and violent than individuals free of mental illness. This stigmatization may lead to harsher sentences when people with schizophrenia are involved in criminal activities and sentenced by a jury. This study presented four conditions to which participants were randomly assigned, alone or in a group of three, and were asked to sentence a defendant, either with or without schizophrenia. It was hypothesized that group deliberations would result in more lenient sentences for defendants with schizophrenia as compared to individual deliberations. Furthermore, it was predicted that both group …

Computational Modeling Of Contrast Sensitivity And Orientation Tuning In Schizophrenia, Steven M. Silverstein, Docia L. Demmin, James A. Bednar

MODVIS Workshop

Computational modeling is being increasingly used to understand schizophrenia, but, to date, it has not been used to account for the common perceptual disturbances in the disorder. We manipulated schizophrenia-relevant parameters in the GCAL (gain control, adaptation, laterally connected) model (Stevens et al., 2013), run using the Topographica simulator (Bednar, 2012), to model low-level visual processing changes in the disorder. Our models incorporated: separate sheets for retinal, LGN, and V1 activity; gain control in the LGN; homeostatic adaptation in V1 based on a weighted sum of all inputs and limited by a logistic (sigmoid) nonlinearity; lateral excitation and inhibition in …

Schizophrenia And Its Effects On An American Family: A Call To Action For The 21st Century, Cynthia Newton Captain

Senior Theses

Our country’s healthcare system is at a moral crossroads. The way we treat those whom we call “the homeless” is deplorable. The majority of the homeless are mentally ill and need treatment. Our country needs to treat those with the severe brain diseases of schizophrenia, schizo-affective disorder, and bi-polar disorder just as we would Alzheimer’s disease and Parkinson’s disease. Those with severe mental illness, who have no insight into their illness, should not be allowed to dictate their own treatment. If a homeless person is brought to San Francisco General Hospital and is found to be a schizophrenic in psychiatric …

The Effects Of Abilify On Memory, Coordination, And Stereotypy In Cd-1 Mice, Jostein Andersen

Undergraduate Honors College Theses 2016-

The atypical antipsychotic Abilify is the second most popular treatment for schizophrenia and other related disorders. Its popularity and wide use is due to its unique pharmacological profile, working differently at dopamine and serotonin receptors compared to other antipsychotics. Schizophrenia is an infamous mental dysfunction involving cognitive impairment, positive symptoms, and negative symptoms. The current study investigated Abilify’s effect in a dose-dependent manner on memory, coordination and stereotypic movement. The sample consisted of 15 male and 15 female CD-1 mice. Memory was tested in a cognitive maze, the Rota-Rod series 8 model measured coordination, and the Coulbourn Tru-Scan Activity Box …

Emotion Learning And Memory In Schizophrenia, M. N. Strong, D. N. Allen

McNair Poster Presentations

• Prior research indicates that processing of emotional information is particularly problematic for individuals with schizophrenia. • An important component of emotional processing is the accurate encoding and recall of emotionally valenced information. • The current study addresses this matter by investigating performance on a task assessing learning, recall, and recognition in patients with schizophrenia. • In this manner, recall of emotionally valenced information may be investigated

A Study Of Media Portrayal Of Schizophrenics To Understand How Stigma Associated With Schizophrenia May Be Reversed, Rainielle M. Cua

Undergraduate Research Posters

The news media are one of the most influential sources of information regarding mental illness. Media coverage on schizophrenia, one of the most stigmatized mental illnesses, tends to be negative, focusing on high risks of violence, failure, and unpredictability. Such perceptions may cause a detrimental impact on the mentally ill and cause them to internalize a stigmatizing stereotype and hinder the public’s understanding of mental illness. I studied how media portrayal in newspaper coverage of schizophrenics has evolved to discover how nonfiction media representation has affected people’s perceptions and attitudes towards schizophrenics and to propose an implementable solution to reduce …

Target Validation And Pharmacological Characterization Of Novel Nmdar Modulators, Kiran Sapkota

Theses & Dissertations

The N-methyl-D aspartate receptors (NMDARs) are ligand-gated ion channels, which play important roles in learning and memory. Excessive activity of NMDARs is implicated in damage due to stroke and neurodegenerative diseases, whereas hypoactivity of NMDARs contributes to schizophrenia. The initial goal of my dissertation is to evaluate the potential role of the GluN2D-containing NMDARs in neuropathological, behavioral and cognitive alterations associated with schizophrenia and characterize the pharmacology and mechanisms of action of NMDAR modulators which could potentially be used to modulate these receptors in schizophrenia.

A subanesthetic dose of the NMDAR antagonist ketamine elicits symptoms of schizophrenia. This property led …

Measuring Brain Serine With Proton Magnetic Resonance Spectroscopy At 3.0 Tesla, Homa Javadzadeh

Electronic Thesis and Dissertation Repository

Proton magnetic resonance spectroscopy (MRS) non-invasively measures regional human brain chemistry in vivo, providing concentration estimates for several metabolites in a pre-selected region of interest. MRS has been applied to investigations of disease-related metabolic and neurochemical alterations in schizophrenia since the early 90’s.

The objective of this research is to implement a metabolite-selective MRS method to quantify endogenous concentrations of human brain serine. Serine is a naturally-occurring amino acid and an important co-modulator of the N-Methyl D-aspartic Acid (NMDA) glutamate receptor. Glutamate abnormalities have been implicated in the pathophysiology of schizophrenia, especially its so-called negative and cognitive symptoms, which can …

Systematically Characterizing Dysfunctional Long Intergenic Noncoding Rnas In Multiple Brain Regions Of Major Psychosis, Jing Hu, Jinyuan Xu, Lin Pang, Hongying Zhao, Feng Li, Yulan Deng, Ling Liu, Yujia Lan, Xinxin Zhang, Chun Xu

Health & Biomedical Sciences Faculty Publications and Presentations

Schizophrenia (SZ) and bipolar disorder (BD) are severe neuropsychiatric disorders with serious impact on patients, together termed “major psychosis”. Recently, long intergenic non-coding RNAs (lincRNAs) were reported to play important roles in mental diseases. However, little was known about their molecular mechanism in pathogenesis of SZ and BD. Here, we performed RNA sequencing on 82 postmortem brain tissues from three brain regions (orbitofrontal cortex (BA11), anterior cingulate cortex (BA24) and dorsolateral prefrontal cortex (BA9)) of patients with SZ and BD and control subjects, generating over one billion reads. We characterized lincRNA transcriptome in the three brain regions and identified 20 …

Facing Our Demons: Psychiatric Perspectives On Exorcism Rituals, Joel R. Sanford

The Hilltop Review

Belief in possession by malevolent spirits exists in many cultures and religions throughout the world, and such beliefs often serve as explanations for a variety of psychological and emotional afflictions. Traditional remedies in these cases often involve exorcism rituals, which are believed to expel spirits from a person's mind and/or body. Some of the cases commonly attributed to involuntary spirit possession are diagnosed within the psychiatric community as schizophrenia or some sort of dissociative disorder and treated with psychotherapy and/or medicine. For some in the psychiatric community, exorcisms and their use by patients are viewed as problematic due to their …

Managing Agitation Associated With Schizophrenia And Bipolar Disorder In The Emergency Setting, Scott Zeller, Leslie Citrome

NYMC Faculty Publications

INTRODUCTION: Patient agitation represents a significant challenge in the emergency department (ED), a setting in which medical staff are working under pressure dealing with a diverse range of medical emergencies. The potential for escalation into aggressive behavior, putting patients, staff, and others at risk, makes it imperative to address agitated behavior rapidly and efficiently. Time constraints and limited access to specialist psychiatric support have in the past led to the strategy of "restrain and sedate," which was believed to represent the optimal approach; however, it is increasingly recognized that more patient-centered approaches result in improved outcomes. The objective of this …

Transdiagnostic Psychiatric Symptoms And Event-Related Potentials Following Rewarding And Aversive Outcomes, Jeffrey S. Bedwell, Geoffrey Potts, Diane C. Gooding, Benjamin J. Trachik, Chi C. Chan, Christopher C. Spencer

Psychology Faculty Publications

There is a need for a better understanding of transdiagnostic psychiatric symptoms that relate to neurophysiological abnormalities following rewarding and aversive feedback in order to inform development of novel targeted treatments. To address this need, we examined a transdiagnostic sample of 44 adults (mean age: 35.52; 57% female), which consisted of individuals with broadly-defined schizophrenia-spectrum disorders (n = 16), bipolar disorders (n = 10), other mood and anxiety disorders (n = 5), and no history of a psychiatric disorder (n = 13). Participants completed a Pavlovian monetary reward prediction task during 32-channel electroencephalogram recording. We assessed the event-related potentials (ERPs) …

The Method Of Madness: A Brief Biography Of Schizophrenia, Riley Hawkins

Honor Scholar Theses

No abstract provided.

Two Sudden And Unexpected Deaths Of Patients With Schizophrenia Associated With Intramuscular Injections Of Antipsychotics And Practice Guidelines To Limit The Use Of High Doses Of Intramuscular Antipsychotics, Nasratullah Wahidi, Katie M. Johnson, Allen Brenzel, Jose De Leon

Psychiatry Faculty Publications

Intravenous haloperidol has been associated with torsades de pointes (TdP). These two sudden deaths were probable adverse drug reactions (ADRs) following intramuscular (IM) antipsychotics. The autopsies described lack of heart pathology and were highly compatible with the possibility of TdP in the absence of risk factors other than the accumulation of antipsychotics with a high serum peak after the last injection, leading to death within hours. The first case was a 27-year-old African-American male with schizophrenia but no medical issues. His death was probably caused by repeated IM haloperidol injections of 10 mg (totaling 35 mg in 2 days). The …

Hoarding Among Outpatients Seeking Treatment At A Psychiatric Hospital In Singapore, Clarissa Ong, Vathsala Sagayadevan, Siau Pheng Lee, Rebecca Ong, Siow Ann Chong, Randy O. Frost, Mythily Subramaniam

Psychology: Faculty Publications

Hoarding symptoms commonly co-occur with other psychiatric disorders, such as major depressive disorder, and have been observed across cultures. Yet, few studies have examined hoarding in other disorders or in an Asian context. The present study aimed to determine: (1) the prevalence of clinically significant hoarding, (2) differences between participants with and without significant hoarding, and (3) predictors of hoarding severity in a Singaporean clinical sample. Five hundred outpatients with anxiety disorders, depressive disorders, schizophrenia, and pathological gambling completed a battery of questionnaires on hoarding, anxiety, depression, functional impairment due to clutter, and quality of life. Thirty percent of our …

Neurologists Look At Causes Of Baffling Brain Condition, Maggie Freleng

Capstones

It can be hard getting help for someone with mental illness, but almost impossible when that person doesn't think they are sick. At at least half of people with schizophrenia, for example, insist that the voices they hear are real. People who do not know they are ill often refuse therapy and medication -- and their symptoms can spiral out of control. Doctors call this lack of awareness anosognosia. Neurologists are trying to discover what causes this baffling condition--and how to treat it.

Research Brief: "Receipt Of Employment Services Among Veterans Health Administration Users With Psychiatric Diagnoses", Institute For Veterans And Military Families At Syracuse University

Institute for Veterans and Military Families

This study found that about four percent (4.2%) of VHA users with psychiatric diagnoses accessed employment services in a given year. VHA patients with a psychiatric diagnosis of schizophrenia had higher odds of accessing employment services relative to VHA users with other psychiatric diagnoses, including PTSD, depression, and other anxiety disorders. In practice, veterans should be aware that receiving VHA employment services should not affect VA benefits and should discuss their medical and financial benefits with benefits advisors and other appropriate advisors. In policy, Policymakers could consider allocating funds to further study the efficacy and effectiveness of various employment services …