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2016 ; 11
(10
): 1627-37
Nephropedia Template TP
gab.com Text
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English Wikipedia
Conditioned social dominance threat: observation of others social dominance
biases threat learning
#MMPMID27217107
Haaker J
; Molapour T
; Olsson A
Soc Cogn Affect Neurosci
2016[Oct]; 11
(10
): 1627-37
PMID27217107
show ga
Social groups are organized along dominance hierarchies, which determine how we
respond to threats posed by dominant and subordinate others. The persuasive
impact of these dominance threats on mental and physical well-being has been well
described but it is unknown how dominance rank of others bias our experience and
learning in the first place. We introduce a model of conditioned social dominance
threat in humans, where the presence of a dominant other is paired with an
aversive event. Participants first learned about the dominance rank of others by
observing their dyadic confrontations. During subsequent fear learning, the
dominant and subordinate others were equally predictive of an aversive
consequence (mild electric shock) to the participant. In three separate
experiments, we show that participants' eye-blink startle responses and amygdala
reactivity adaptively tracked dominance of others during observation of
confrontation. Importantly, during fear learning dominant vs subordinate others
elicited stronger and more persistent learned threat responses as measured by
physiological arousal and amygdala activity. Our results characterize the neural
basis of learning through observing conflicts between others, and how this
affects subsequent learning through direct, personal experiences.