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Behavioural Neurology
Volume 6 (1993), Issue 4, Pages 181-185
http://dx.doi.org/10.3233/BEN-1993-6402
Review

Anatomic and Physiological Bases of Social Blushing: Speculations from Neurology and Psychology

W. D. Cutlip II1 and M. R. Leary2

1Departments of Neurology, and Department of Behavioral Medicine and Psychiatry, West Virginia University School of Medicine, Morgantown, WV, USA
2Department of Psychology, Wake Forest University, Winston-Salem, NC 27109, USA

Received 21 September 1993; Accepted 16 October 1993

Copyright © 1993 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Although a common and occasionally troubling reaction, social blushing has received little systematic attention from either medical or behavioral researchers. This article reviews what is known of the physiological and psychological processes that mediate social blushing, and speculates regarding the role of central mechanisms in the phenomenon. Blushing is characterized by the unusual combination of cutaneous vasodilatation of the face, neck, and ears, accompanied by activation of the sympathetic nervous system. Psychologically, blushing appears to occur when people receive undesired social attention from others and may be analogous to the appeasement displays observed in non-human primates. Although poorly understood, the central mechanisms that mediate blushing obviously involve both involuntary autonomic effector systems and higher areas that involve self-reflective thought. Questions for future research are suggested.