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Articles 1 - 8 of 8
Full-Text Articles in Medicine and Health Sciences
Septohippocampal Gabaergic Neurons Mediate The Altered Behaviors Induced By N-Methyl-D-Aspartate Receptor Antagonists., Jingyi Ma, Siew Kian Tai, L Stan Leung
Septohippocampal Gabaergic Neurons Mediate The Altered Behaviors Induced By N-Methyl-D-Aspartate Receptor Antagonists., Jingyi Ma, Siew Kian Tai, L Stan Leung
Physiology and Pharmacology Publications
We hypothesize that selective lesion of the septohippocampal GABAergic neurons suppresses the altered behaviors induced by an N-methyl-D-aspartate (NMDA) receptor antagonist, ketamine or MK-801. In addition, we hypothesize that septohippocampal GABAergic neurons generate an atropine-resistant theta rhythm that coexists with an atropine-sensitive theta rhythm in the hippocampus. Infusion of orexin-saporin (ore-SAP) into the medial septal area decreased parvalbumin-immunoreactive (GABAergic) neurons by ~80%, without significantly affecting choline-acetyltransferase-immunoreactive (cholinergic) neurons. The theta rhythm during walking, or the immobility-associated theta induced by pilocarpine, was not different between ore-SAP and sham-lesion rats. Walking theta was, however, more disrupted by atropine sulfate in ore-SAP than …
Sexual Reward And Depression, Andrea R. Di Sebastiano
Sexual Reward And Depression, Andrea R. Di Sebastiano
Electronic Thesis and Dissertation Repository
Sexual behavior in male rats is a complex rewarding behavior and many neurotransmitters and neuropeptides play an important role in mediation of sexual performance, motivation and reward. The hypothalamic neuropeptide orexin has been shown play a key role in reward associated with food and drugs of abuse, but the role of this neuropeptide in control of sexual performance, motivation and reward is currently unclear. First, it was shown that orexin neurons in the hypothalamus are activated during sexual performance and reward. Next, using cell specific lesions of orexin neurons it was demonstrated that orexin is involved in arousal and anxiety, …
Examining The Association Between Psychiatric Illness And Suicidal Ideation In A Sample Of Treatment-Seeking Canadian Peacekeeping And Combat Veterans With Posttraumatic Stress Disorder, Don Richardson, Kate St. Cyr, Alexandra M. Mcintyre-Smith, David Haslam, Jon D. Elhai, Jitender Sareen
Examining The Association Between Psychiatric Illness And Suicidal Ideation In A Sample Of Treatment-Seeking Canadian Peacekeeping And Combat Veterans With Posttraumatic Stress Disorder, Don Richardson, Kate St. Cyr, Alexandra M. Mcintyre-Smith, David Haslam, Jon D. Elhai, Jitender Sareen
MacDonald Franklin OSI Research Centre
Objective:
Our study examines the association between suicidal ideation and and self-reported symptoms of posttraumatic stress disorder (PTSD), major depressive disorder (MDD), generalized anxiety disorder (GAD), and alcohol use disorder (AUD) in a sample of treatment-seeking Canadian combat and peacekeeping veterans; and identifies potential predictors of suicidal ideation.
Methods:
Actively serving Canadian Forces and Royal Canadian Mounted Police members and veterans seeking treatment at the Parkwood Hospital Operational Stress Injury Clinic (n = 250) completed measures including the Primary Care Evaluation of Mental Disorders Patient Health Questionnaire, the Alcohol Use Disorder Identification Test, and the PTSD Checklist—Military Version (PCL-M) …
The Change Program: Comparing An Interactive Versus Prescriptive Telephone-Based Behavioural Intervention On The Psychological And Physiological Profiles Of University Students With Obesity, Erin S. Pearson
Electronic Thesis and Dissertation Repository
The purpose of the CHANGE (Coaching towards Healthy Actions Naturally through Goal-related Empowerment) Program was to compare the effectiveness of an interactive versus prescriptive 12-week telephone-based behavioural intervention on the psychological and physiological profiles of university students with obesity. Motivational Interviewing administered using Co-Active Life Coaching (MI-via-CALC) and a structured lifestyle treatment following the LEARN (Lifestyle, Exercise, Attitudes, Relationships, Nutrition) Program for Weight Management were examined.
Article 1 provided a methodological account of the CHANGE Program which included a detailed rationale for its development and a comprehensive description of the methods used. Because goal setting has been established as an …
Individual Differences In White Matter Microstructure Predict Mathematical Achievement, Anna A. Matejko
Individual Differences In White Matter Microstructure Predict Mathematical Achievement, Anna A. Matejko
Electronic Thesis and Dissertation Repository
The current study uses diffusion tensor imaging to test whether individual differences in white matter predict performance on the math subtest of the preliminary Scholastic Aptitude Test (PSAT). Grade 10 and 11 PSAT scores were obtained from 30 young adults (ages 17- 18) with wide-ranging math achievement levels. Tract based spatial statistics was used to examine the correlation between PSAT math scores, fractional anisotropy (FA), radial diffusivity (RD) and axial diffusivity (AD). FA in left parietal white matter was positively correlated with math PSAT scores (specifically in the left superior longitudinal fasciculus, left superior corona radiata, and left corticospinal tract). …
Psychosis In Indigenous Populations Of Cape York And The Torres Strait, Ernest M. Hunter, Bruce D. Gynther, Carrick J. Anderson, Leigh-Ann L. Onnis, Jeffrey R. Nelson, Wayne Hall, Bernhard T. Baune, Aaron R. Groves
Psychosis In Indigenous Populations Of Cape York And The Torres Strait, Ernest M. Hunter, Bruce D. Gynther, Carrick J. Anderson, Leigh-Ann L. Onnis, Jeffrey R. Nelson, Wayne Hall, Bernhard T. Baune, Aaron R. Groves
Aboriginal Policy Research Consortium International (APRCi)
Objective: To describe and characterise treated psychotic disorders in the Indigenous populations of Cape York and the Torres Strait.
Design: Cross-sectional analysis of patients with a psychotic disorder identified by treating psychiatrists.
Setting and participants: Indigenous patients aged 15 years in Cape York and Torres Strait communities receiving treatment for a psychotic disorder over 3 months in 2010.
Main outcome measures: Prevalence of psychosis diagnoses, intellectual disability, and substance use comorbidities.
Results: 171 patients were included. The prevalence rate in this population was 1.68%, higher for males (2.60%) than females (0.89%), and twice as high in the Aboriginal (2.05%) …
Preventing Mental Distress In The Military, Charles Nelson, Kate St. Cyr, Bradley Corbett, Elisa Hurley, Shannon Gifford, Jon D. Elhaid, J. Donald Richardson
Preventing Mental Distress In The Military, Charles Nelson, Kate St. Cyr, Bradley Corbett, Elisa Hurley, Shannon Gifford, Jon D. Elhaid, J. Donald Richardson
RDC@Western Research Highlights
No abstract provided.
Preventing Mental Distress In The Military, Charles Nelson, Kate St. Cyr, Bradley Corbett, Elisa Hurley, Shannon Gifford, Jon D. Elhai, J. Donald Richardson
Preventing Mental Distress In The Military, Charles Nelson, Kate St. Cyr, Bradley Corbett, Elisa Hurley, Shannon Gifford, Jon D. Elhai, J. Donald Richardson
CRDCN Research Highlight/RCCDR en évidence
No abstract provided.