Detecting fearful and neutral faces: BOLD latency differences in amygdala-hippocampal junction

A A Reinders; J Glascher; A T Willemsen; J A den Boer; C Buchel

doi:10.1016/j.neuroimage.2006.06.052

Detecting fearful and neutral faces: BOLD latency differences in amygdala-hippocampal junction

A A Reinders, J Glascher, A T Willemsen, J A den Boer, C Buchel

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

Evolutionary survival and procreation are augmented if an individual organism quickly detects environmental threats and rapidly initiates defensive behavioral reactions. Thus, facial emotions signaling a potential threat, e.g., fear or anger, should be perceived rapidly and automatically, possibly through a subcortical processing route which includes the amygdala. Using event-related functional magnetic resonance imaging (fMRI), we investigated the time course of the response in the amygdala to neutral and fearful faces, which appear from dynamically decreasing random visual noise. We aimed to detect differences of the amygdala response between fearful and neutral faces by estimating the latency of the blood oxygenation level-dependent (BOLD) response. We found that bilateral amygdala-hippocampal junction activation occurred earlier for fearful than for neutral faces. Our findings support the theory of a dual route architecture in which the subcortical thalamic-hippocampal-amygdala route serves fast preconscious threat perception

Original language	English
Pages (from-to)	805 - 814
Number of pages	10
Journal	NeuroImage
Volume	33
Issue number	2
DOIs	https://doi.org/10.1016/j.neuroimage.2006.06.052
Publication status	Published - 1 Nov 2006

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title = "Detecting fearful and neutral faces: BOLD latency differences in amygdala-hippocampal junction",

abstract = "Evolutionary survival and procreation are augmented if an individual organism quickly detects environmental threats and rapidly initiates defensive behavioral reactions. Thus, facial emotions signaling a potential threat, e.g., fear or anger, should be perceived rapidly and automatically, possibly through a subcortical processing route which includes the amygdala. Using event-related functional magnetic resonance imaging (fMRI), we investigated the time course of the response in the amygdala to neutral and fearful faces, which appear from dynamically decreasing random visual noise. We aimed to detect differences of the amygdala response between fearful and neutral faces by estimating the latency of the blood oxygenation level-dependent (BOLD) response. We found that bilateral amygdala-hippocampal junction activation occurred earlier for fearful than for neutral faces. Our findings support the theory of a dual route architecture in which the subcortical thalamic-hippocampal-amygdala route serves fast preconscious threat perception",

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AU - Reinders, A A

AU - Glascher, J

AU - Willemsen, A T

AU - den Boer, J A

AU - Buchel, C

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AB - Evolutionary survival and procreation are augmented if an individual organism quickly detects environmental threats and rapidly initiates defensive behavioral reactions. Thus, facial emotions signaling a potential threat, e.g., fear or anger, should be perceived rapidly and automatically, possibly through a subcortical processing route which includes the amygdala. Using event-related functional magnetic resonance imaging (fMRI), we investigated the time course of the response in the amygdala to neutral and fearful faces, which appear from dynamically decreasing random visual noise. We aimed to detect differences of the amygdala response between fearful and neutral faces by estimating the latency of the blood oxygenation level-dependent (BOLD) response. We found that bilateral amygdala-hippocampal junction activation occurred earlier for fearful than for neutral faces. Our findings support the theory of a dual route architecture in which the subcortical thalamic-hippocampal-amygdala route serves fast preconscious threat perception

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Detecting fearful and neutral faces: BOLD latency differences in amygdala-hippocampal junction

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