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Light Level Intensity Alters Anxiety, But Not Memory, During Open-Field And Novel Object Location Tasks In Male Rats, Angelina Tassone
Light Level Intensity Alters Anxiety, But Not Memory, During Open-Field And Novel Object Location Tasks In Male Rats, Angelina Tassone
Biological Sciences
Appropriate design and control of testing conditions during assessment of animal behavior is critical to maximize generalizability, replicability, and translational relevance. Some sensory stimuli are often controlled: for instance, during rodent behavioral testing, efforts are commonly made to reduce or eliminate olfactory and auditory distractions. However, less attention is paid to the ambient light level intensity (lux), which may vary even between rooms in the same facility. We sought to explore whether behavior is influenced by the standard illumination intensity in one of our behavioral testing rooms. To this end, we measured anxiety-like behaviors, exploration, and spatial memory performance in …
Investigating The Effects Of Intrahippocampal Glucose Administration On Spatial Working Memory In Rats, Jeremy Carter
Investigating The Effects Of Intrahippocampal Glucose Administration On Spatial Working Memory In Rats, Jeremy Carter
Biological Sciences
Insulin is a peptide hormone released by beta pancreatic cells . Insulin’s best-known function is to regulate absorption of glucose into peripheral tissue: this occurs via activation of the phosphoinositide 3-kinase (PI3K) signaling cascade and subsequent translocation of glucose transporter 4 (GLUT4) to the cell surface. This canonical peripheral insulin signaling pathway appears to exist in essentially identical form within the central nervous system (CNS), so that insulin promotes entry of glucose into neural cells and subsequent increased metabolism. In order to maintain proper function, insulin-responsive hippocampal neurons and glia require glucose metabolism; a catabolic energy-yielding process that requires insulin …