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Related Experiment Video

Updated: May 23, 2026

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Published on: September 12, 2014

Threat as a feature in visual semantic object memory.

Clifford S Calley¹, Michael A Motes, H-Sheng Chiang

¹Berman Laboratory for Learning and Memory, Center for BrainHealth, The University of Texas at Dallas, Dallas, Texas 75235, USA.

Human Brain Mapping

|March 28, 2012

Summary

This summary is machine-generated.

Threatening images activate visual brain regions more strongly than non-threatening ones. This effect is observed in both natural and man-made categories, with a specific enhancement for threatening man-made objects.

Keywords:

category emotion fMRI feature memory object semantic threat visual

More Related Videos

Measuring Attentional Biases for Threat in Children and Adults

Measuring Attentional Biases for Threat in Children and Adults

Published on: October 19, 2014

Related Experiment Videos

Last Updated: May 23, 2026

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Published on: September 12, 2014

Measuring Attentional Biases for Threat in Children and Adults

Measuring Attentional Biases for Threat in Children and Adults

Published on: October 19, 2014

Area of Science:

Neuroscience
Cognitive Psychology
Visual Perception

Background:

Threatening stimuli significantly impact visual perception and attention.
Previous research indicates modulation of visual processing by threat, but its effect on object recognition across categories is less understood.

Purpose of the Study:

To investigate how threat influences the visual object recognition of man-made versus naturally occurring stimuli.
To identify specific brain regions involved in threat-modulated visual object recognition.

Main Methods:

Functional magnetic resonance imaging (fMRI) was employed to measure brain activity.
Participants viewed images of threatening and non-threatening real items from natural and man-made categories.

Main Results:

Threatening stimuli, compared to non-threatening ones, elicited greater BOLD signal changes in medial visual cortices and temporo-occipital "what" pathways.
These medial visual areas showed heightened responses to threatening items across both natural and man-made categories.
Lateralized inferior temporo-occipital areas revealed a category-feature interaction, with enhanced responses to threatening man-made stimuli compared to natural threats.

Conclusions:

Threat significantly modulates visual object recognition, particularly within the temporo-occipital "what" pathway.
Visual processing areas exhibit featural sensitivity to threat across stimulus categories.
Enhanced recognition of threatening man-made objects may confer a survival advantage through rapid processing.