lecture18 The Special Case of the Default Mode Network

lecture18 The Special Case of the Default Mode Network -...

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Psych 123 Cognitive Neuroscience Lecture 18: The Special Case of The Default Mode Network “The idea that there may be a physical structure in the brain in which we unconsciously define who we are would warm Freud’s heart - Dr. Marcus Raichle, a neurologist at Washington University. Final - Next Thursday at noon! Bring parscore form and pencil One-page (8 x 11) cheat sheet Extra office hours : Tuesday 10 am
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Cognitive Control and the Human Prefrontal Cortex “The Architecture of Cognitive Control in the Human Prefrontal Cortex” Science 2003 focused attention; cognitively engaged; goal-directed behavior
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The Default Mode Network of the Brain medial prefrontal cortex posterior cingulate cortex inferior parietal lobule Buckner, Andrews-Hanna, & Schacter (2008) The Year in Cognitive Neuroscience
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Marcus Raichle: Default Mode of the Brain, PNAS 2001 “Whereas cortical increases in activity have been shown to be task specific and, therefore, vary in location depending on task demands, many decreases appear to be largely task independent, varying little in their location across a wide range of tasks.” Regions of the brain regularly observed to decrease their activity during attention-demanding cognitive tasks shown in sagittal projection (Upper) as compared with the blood flow of the brain while the subject rests quietly but is awake with eyes closed (Lower).
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The Default Mode Network & The Progression of Alzheimer’s Disease
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This note was uploaded on 09/09/2011 for the course PSY 123 taught by Professor Staff during the Spring '11 term at UCSB.

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lecture18 The Special Case of the Default Mode Network -...

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