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Articles 1 - 5 of 5
Full-Text Articles in Medicine and Health Sciences
White Matter Inflammation And Executive Dysfunction: Implications For Alzheimer Disease And Vascular Cognitive Impairment, Alexander Levit
White Matter Inflammation And Executive Dysfunction: Implications For Alzheimer Disease And Vascular Cognitive Impairment, Alexander Levit
Electronic Thesis and Dissertation Repository
White matter integrity is crucial to healthy executive function, the cognitive domain that enables functional independence. However, in the ageing brain, white matter is highly vulnerable. White matter inflammation increases with age and Alzheimer disease (AD), which disrupts the normal function of white matter. This may contribute to executive dysfunction, but the relationship between white matter inflammation and executive function has not been directly evaluated in ageing nor AD. White matter is also particularly vulnerable to cerebrovascular disease, corresponding with the common presentation of executive dysfunction in vascular cognitive impairment (VCI). Thus, white matter may be an important substrate by …
Examining The Relationship Between Body Mass Index And Health-Related Quality Of Life Perception Among People With Mental Illness, Fatima Bukair
Examining The Relationship Between Body Mass Index And Health-Related Quality Of Life Perception Among People With Mental Illness, Fatima Bukair
Electronic Thesis and Dissertation Repository
People suffering from mental illness are three times more likely to die prematurely from ‘natural’ causes than those without mental disorders as a result of their physical condition. Their life expectancy is reduced by 12-19 years. Obesity is commonly associated with mental illness and accounts for increased risk of cardiovascular disease, diabetes mellitus, stroke, heart disease, some cancers and osteoarthritis. This paper examined the relationship between body mass index (BMI) and health-related quality of life perception using the Short-Form Health Survey 36 among people living with mental illness. A Multivariate Multiple Regression model was employed to estimate the variables that …
Altered Brain Networks In Patients With Psychogenic Non-Epileptic Seizures (Pnes) Using Ultra High Field Mri, Brittney Castrilli
Altered Brain Networks In Patients With Psychogenic Non-Epileptic Seizures (Pnes) Using Ultra High Field Mri, Brittney Castrilli
Electronic Thesis and Dissertation Repository
Background: Psychogenic Non-epileptic Seizures (PNES) are attacks that appear similar to epileptic attacks. However, they lack abnormal electrical discharges in the brain and have psychological underpinnings and causes. The gold standard of diagnosis is video-EEG which is not widely accessible, creating a poor prognosis for patients. Resting state functional magnetic resonance imaging can aid in the diagnosis and treatment of PNES by helping better understand brain networks in patients with PNES. This study examines brain networks in patients with PNES with a focus on the default mode network and salience network.
Methods: Twelve patients with PNES between the ages of …
Use Of Psychotropic Medications Among Pregnant Women With Bipolar Disorder: Patterns, Determinants, And Impact On Perinatal Outcomes, Misbah Salim
Electronic Thesis and Dissertation Repository
Navigating psychotropic treatment use for bipolar disorder (BD) in pregnancy is challenging as it is, but it is even more difficult with use of multiple medications across various drug classes for treatment, given the absence of evidence of their safe use. This retrospective cohort study assessed prescription patterns, patient characteristics associated with these patterns, risk of adverse outcomes, and rates of readmission in women with BD who were prescribed antipsychotic, antidepressant, or combination treatment during pregnancy, relative to untreated women. An estimated 25% of women were prescribed psychotropic drugs during pregnancy. Women with past suicide attempts and those with recurrence(s) …
Role Of The Dorsal Striatum In Learning And Decision Making, Nole M. Hiebert
Role Of The Dorsal Striatum In Learning And Decision Making, Nole M. Hiebert
Electronic Thesis and Dissertation Repository
The striatum, the input region of the basal ganglia, has been shown to mediate many cognitive functions. The striatum itself can be functionally segregated into dorsal (DS) and ventral striatum (VS). For more than 60 years, DS has been reported to mediate stimulus-response learning, though evidence has been accruing pointing to a role in decision making. These literatures have been growing independently and an aim of this thesis was to bridge these two bodies of knowledge. We directly investigated the role of DS in stimulus-response learning versus decision making using functional magnetic resonance imaging (fMRI) in patients with Parkinson’s disease …