Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 46, Problem 4Q
Summary Introduction
To review:
The parietal lobe is more affected by sleep-deprivation than the frontal lobe.
Given:
The brain activity in the left prefrontal and parietal lobes of well-rested (RW) subjects and subjects sleep deprived for 24 hours (SD24) and 35 hours (SD35) is shown in the Graph 1:
Graph 1: The brain activity in the left prefrontal and parietal lobes.
Introduction:
Magnetic resonance imaging (MRI) was used to measure the brain activity in different regions of the brain while conducting the likelihood ratio test (LTR) () and PLUS tests. The two regions of the brain, which showed the most significant differences in sleep-deprived (SD) and well-rested (RW) subjects were the left prefrontal lobe and the left parietal lobe.
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Life: The Science of Biology
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