ArticleScientific reports2019
Implicit and explicit systems differently predict possible dangers.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Neural mechanisms of fear memory precision and generalization: from auditory cortex to amygdala.Translational psychiatry · 2026Review
- Subjective and psychophysiological response to pictures of ancestral and modern threats: Not all evolutionary threats are alike.PloS one · 2026Article
- Modulation of perception by emotion: Altered sensitivity and perceived magnitude of negatively valenced stimuli.Attention, perception & psychophysics · 2025Article
- Increased threat learning after social isolation in human adolescents.Royal Society open science · 2024Article
- Overgeneralization of autonomic defensive reactions in obesity.Scientific reports · 2024Article
- Article
- The aesthetic valve: how aesthetic appreciation may switch emotional states from anxiety to curiosity.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- Sleep Deprivation During Memory Consolidation, but Not Before Memory Retrieval, Widens Threat Generalization to New Stimuli.Frontiers in neuroscience · 2022Article
- Precise memory for pure tones is predicted by measures of learning-induced sensory system neurophysiological plasticity at cortical and subcortical levels.Learning & memory (Cold Spring Harbor, N.Y.) · 2020Article
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
One strategy to address new potential dangers is to generate defensive responses to stimuli that remind learned threats, a phenomenon called fear generalization. During a threatening experience, the brain encodes implicit and explicit memory traces. Nevertheless, there is a lack of studies comparing implicit and explicit response patterns to novel stimuli. Here, by adopting a discriminative threat conditioning paradigm and a two-alternative forced-choice recognition task, we found that the implicit reactions were selectively elicited by the learned threat and not by a novel similar but perceptually discriminable stimulus. Conversely, subjects explicitly misidentified the same novel stimulus as the learned threat. This generalization response was not due to stress-related interference with learning, but related to the embedded threatening value. Therefore, we suggest a dissociation between implicit and explicit threat recognition profiles and propose that the generalization of explicit responses stems from a flexible cognitive mechanism dedicated to the prediction of danger.
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