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Psychol Sci. 2013 Oct;24(10):1980-5. doi: 10.1177/0956797613484937. Epub 2013 Aug 27.

Fear of holes.

Author information

1
Centre for Brain Science, University of Essex.

Abstract

Phobias are usually described as irrational and persistent fears of certain objects or situations, and causes of such fears are difficult to identify. We describe an unusual but common phobia (trypophobia), hitherto unreported in the scientific literature, in which sufferers are averse to images of holes. We performed a spectral analysis on a variety of images that induce trypophobia and found that the stimuli had a spectral composition typically associated with uncomfortable visual images, namely, high-contrast energy at midrange spatial frequencies. Critically, we found that a range of potentially dangerous animals also possess this spectral characteristic. We argue that although sufferers are not conscious of the association, the phobia arises in part because the inducing stimuli share basic visual characteristics with dangerous organisms, characteristics that are low level and easily computed, and therefore facilitate a rapid nonconscious response.

KEYWORDS:

aposematism; avoidance; evolution; evolutionary psychology; fear; holes; phobia; threat; trypophobia; vision; visual stress

PMID:
23982244
DOI:
10.1177/0956797613484937
[Indexed for MEDLINE]

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