Bélanger K, Blanchette I. Stressful Life Events Are Related to More Negative Interpretations, but Not Under Acute Stress.
Psychol Rep 2021;
125:1988-2008. [PMID:
33969753 PMCID:
PMC9350455 DOI:
10.1177/00332941211014150]
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Abstract
Studies have identified deleterious effects of stress on multiple cognitive processes
such as memory and attention. Little is known about the impact of stress on
interpretation. We investigated how an induced acute stress and more long-term stress
related to life events were associated with interpretations of ambiguous stimuli. Fifty
participants answered a questionnaire indexing the number of stressful life events. A
median split was used to compare those reporting few or more events. Half of participants
performed an arithmetic task that induced acute stress; they were compared to a control
group performing a less stressful task. We measured the interpretation of ambiguous visual
stimuli, which participants had to judge as “negative” or “positive”. We found a
significant interaction between the number of stressful life events and the induced acute
stress on the proportion of positive interpretations. In the control group, participants
reporting more stressful events produced less positive interpretations than those
reporting few events. In the induced stress condition, no significant difference was
found. Life events tend to influence interpretation in the absence of an acute stressor,
which seems to be more influent in the short term.
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