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The responses of the lateral nucleus of the amygdala are enhanced by fear conditioning. A. The blue dots indicate the placement of extracellular
electrodes in the lateral nucleus. (AST, amygdalo-striatal transition area; AB, accessory basal nucleus of the amygdala; B, basal nucleus of the amygdala;
CE, central nucleus of the amygdala; EN, endopiriform cortex; LAd, dorsal lateral nucleus; LAv, ventral lateral nucleus.)
B. Histograms show activity in four simultaneously recorded neurons in the lateral nucleus before and after conditioning. Each histogram represents the
sum of 10 presentations of the conditioned stimulus (black bar). Representative spike waveforms are shown in insets.
C. After conditioning,
the neurons
in the dorsal
lateral ofnucleus
at shorter
latencies than do neurons in the auditory cortex. They also fire at higher
Source: Emotions
and Feelings,
Principles
Neural fire
Science,
Fifth Editon
frequencies (not
shown).
Citation: Kandel ER, Schwartz JH, Jessell TM, Siegelbaum SA, Hudspeth AJ, Mack S. Principles of Neural Science, Fifth Editon; 2012 Available
at: http://mhmedical.com/ Accessed: April 29, 2017
Copyright © 2017 McGraw-Hill Education. All rights reserved
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