Abstract:
:This study examined the effects of intense emotional learning on the sleep-wake state-specific electroencephalographic (EEG) activities of the basolateral (BLA) and central (CeA) nuclei of the amygdala. Rats were trained on a passive-avoidance learning (PAL) protocol that was followed by 6 hr of undisturbed polygraphic recording and a PAL test. After PAL training, the total amount of REM sleep decreased: high-frequency EEG power decreased in the CeA during REM sleep and increased in the BLA during all sleep-wake stages. These results suggest that there is no homeostatic demand for REM sleep after intense emotional learning. However, the PAL-specific changes in the local EEG suggest that some form of memory processing may occur within the amygdala during REM sleep.
journal_name
Behav Neuroscijournal_title
Behavioral neuroscienceauthors
Mavanji V,Siwek DF,Patterson EH,Spoley EE,Datta Sdoi
10.1037/0735-7044.117.4.751subject
Has Abstractpub_date
2003-08-01 00:00:00pages
751-9issue
4eissn
0735-7044issn
1939-0084journal_volume
117pub_type
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