Abstract:
:The startle reflex elicited by binaural acoustic startle stimuli is potentiated by the threat of electric shock. The present study explored the lateralization of this fear-potentiated startle reflex effect using acoustic startle stimuli delivered binaurally or monaurally to the left or right ear and recorded from the left and right orbicularis oculi muscles. Consistent with previous results, the acoustic startle to binaural stimulation was potentiated during the anticipation of shock. This effect was also present for monaural stimulation but was greater when startle stimuli were delivered to the right than to the left ear. The results are discussed in terms of hemispheric lateralization during shock anticipation.
journal_name
Psychophysiologyjournal_title
Psychophysiologyauthors
Grillon C,Davis Mdoi
10.1111/j.1469-8986.1995.tb03307.xsubject
Has Abstractpub_date
1995-03-01 00:00:00pages
155-61issue
2eissn
0048-5772issn
1540-5958journal_volume
32pub_type
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