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Memory for non-painful auditory items is influenced by whether they are experienced in a context involving painful electrical stimulation.


ABSTRACT: In this study, we sought to examine the effect of experimentally induced somatic pain on memory. Subjects heard a series of words and made categorization decisions in two different conditions. One condition included painful shocks administered just after presentation of some of the words; the other condition involved no shocks. For the condition that included painful stimulations, every other word was followed by a shock, and subjects were informed to expect this pattern. Word lists were repeated three times within each condition in randomized order, with different category judgments but consistent pain-word pairings. After a brief delay, recognition memory was assessed. Non-pain words from the pain condition were less strongly encoded than non-pain words from the completely pain-free condition. Recognition of pain-paired words was not significantly different than either subgroup of non-pain words. An important accompanying finding is that response times to repeated experimental items were slower for non-pain words from the pain condition, compared to non-pain words from the completely pain-free condition. This demonstrates that the effect of pain on memory may generalize to non-pain items experienced in the same experimental context.

SUBMITTER: Vogt KM 

PROVIDER: S-EPMC6586482 | biostudies-literature | 2019 Jul

REPOSITORIES: biostudies-literature

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Memory for non-painful auditory items is influenced by whether they are experienced in a context involving painful electrical stimulation.

Vogt Keith M KM   Norton Caroline M CM   Speer Lauren E LE   Tremel Joshua J JJ   Ibinson James W JW   Reder Lynne M LM   Fiez Julie A JA  

Experimental brain research 20190402 7


In this study, we sought to examine the effect of experimentally induced somatic pain on memory. Subjects heard a series of words and made categorization decisions in two different conditions. One condition included painful shocks administered just after presentation of some of the words; the other condition involved no shocks. For the condition that included painful stimulations, every other word was followed by a shock, and subjects were informed to expect this pattern. Word lists were repeate  ...[more]

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