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Full-Text Articles in Neuroscience and Neurobiology

Modulation Of Stress-Induced Behaviors Through Orexinergic Signaling In The Basolateral Amygdala, Jazmine D W Yaeger Dec 2021

Modulation Of Stress-Induced Behaviors Through Orexinergic Signaling In The Basolateral Amygdala, Jazmine D W Yaeger

Dissertations and Theses

Stress initiates behavioral disturbances, which are often seen as symptoms of psychiatric disorders, like post-traumatic stress disorder (PTSD), depression, and anxiety. While stress is involved in the formation of disordered states, only certain individuals are vulnerable to, and therefore experience, these outcomes. Further, females are more likely to be diagnosed with stress-induced psychiatric disorders. Elements within stress neurocircuitry offer insight into differential behavioral outcomes associated with stressful experiences; and the basolateral amygdala (BLA), where pro- and anti-stress signals are integrated, is likely an important mediator in phenotype development. The orexin system, too, while being strongly associated with sleep, motivation, and …


Analyzing Ultrastructural Characteristics Of Post-Synaptic Targets Of Pre-Identified Presynaptic Boutons In Layer 3 And Layer 4 Of The Ferret Primary Visual Cortex, Donia Shehab Jan 2021

Analyzing Ultrastructural Characteristics Of Post-Synaptic Targets Of Pre-Identified Presynaptic Boutons In Layer 3 And Layer 4 Of The Ferret Primary Visual Cortex, Donia Shehab

Dissertations and Theses

The purpose of this study was to analyze the size and ultrastructural characteristics of post-synaptic elements apposed to previously characterized pre-synaptic elements in layers 3 and 4 of the primary visual cortex (PVC). We are aiming to quantify a range of values for synaptic element morphologies as well as to correlate pre- and post-synaptic elements to find a set of rules that is prevalent in the visual cortex that can also be upheld in other mammals. We hypothesize that bigger pre-synaptic elements correlate to bigger synapses and bigger post-synaptic elements. We compared these two different layers because they receive synaptic …