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Why humans do not make good vampires: testing the ability of humans to detect true blood

Delphine De Smet (UGent) , Linda Van Speybroeck (UGent) and Jan Verplaetse (UGent)
(2012) ANNALS OF HUMAN BIOLOGY. 39(1). p.1-10
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Abstract
Background: Research indicating the effects of real blood or of its iconic representation on human behaviour has thus far concentrated on phobia and aggressiveness. Little is known about other responses or, more fundamentally, about the biological basis of all such responses. Aim: In this study it is examined whether or not humans are able to detect real blood. Methods: Human subjects (n = 89) were asked to distinguish different kinds of blood from red control fluids under varying visual and choice conditions. Relevant differences between subjects were tested for through written questionnaires, including standardized scales for disgust sensitivity (DS-R) and blood phobia (MBPI) and performance on two clinical olfactory tests. Results: Analysis of variance shows that humans are excellent detectors of animal blood (in casu pig blood), whereas the ability of detecting human blood is much less developed. Surprisingly, differences in olfactory capacities and personal experience with blood have no effect on blood detection, while blood fear lowers and disgust sensitivity ameliorates this performance. Conclusion: This study allows further mapping of the exact role of disgust sensitivity in human behaviour, as well as a deliberate choice of materials in blood-related experiments. It is imperative for further research on the behavioural and psychological impact 'blood' resorts on humans.
Keywords
Blood, detection, CATTLE, EXCITEMENT, PROPENSITY, PERFORMANCE, DOMESTICATION, FEAR, SCALE, INJECTION-INJURY PHOBIA, INDIVIDUAL-DIFFERENCES, DISGUST SENSITIVITY, olfaction, blood phobia, disgust sensitivity

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Citation

Please use this url to cite or link to this publication:

MLA
De Smet, Delphine, Linda Van Speybroeck, and Jan Verplaetse. “Why Humans Do Not Make Good Vampires: Testing the Ability of Humans to Detect True Blood.” ANNALS OF HUMAN BIOLOGY 39.1 (2012): 1–10. Print.
APA
De Smet, Delphine, Van Speybroeck, L., & Verplaetse, J. (2012). Why humans do not make good vampires: testing the ability of humans to detect true blood. ANNALS OF HUMAN BIOLOGY, 39(1), 1–10.
Chicago author-date
De Smet, Delphine, Linda Van Speybroeck, and Jan Verplaetse. 2012. “Why Humans Do Not Make Good Vampires: Testing the Ability of Humans to Detect True Blood.” Annals of Human Biology 39 (1): 1–10.
Chicago author-date (all authors)
De Smet, Delphine, Linda Van Speybroeck, and Jan Verplaetse. 2012. “Why Humans Do Not Make Good Vampires: Testing the Ability of Humans to Detect True Blood.” Annals of Human Biology 39 (1): 1–10.
Vancouver
1.
De Smet D, Van Speybroeck L, Verplaetse J. Why humans do not make good vampires: testing the ability of humans to detect true blood. ANNALS OF HUMAN BIOLOGY. 2012;39(1):1–10.
IEEE
[1]
D. De Smet, L. Van Speybroeck, and J. Verplaetse, “Why humans do not make good vampires: testing the ability of humans to detect true blood,” ANNALS OF HUMAN BIOLOGY, vol. 39, no. 1, pp. 1–10, 2012.
@article{1932786,
  abstract     = {Background: Research indicating the effects of real blood or of its iconic representation on human behaviour has thus far concentrated on phobia and aggressiveness. Little is known about other responses or, more fundamentally, about the biological basis of all such responses. Aim: In this study it is examined whether or not humans are able to detect real blood. Methods: Human subjects (n = 89) were asked to distinguish different kinds of blood from red control fluids under varying visual and choice conditions. Relevant differences between subjects were tested for through written questionnaires, including standardized scales for disgust sensitivity (DS-R) and blood phobia (MBPI) and performance on two clinical olfactory tests. Results: Analysis of variance shows that humans are excellent detectors of animal blood (in casu pig blood), whereas the ability of detecting human blood is much less developed. Surprisingly, differences in olfactory capacities and personal experience with blood have no effect on blood detection, while blood fear lowers and disgust sensitivity ameliorates this performance. Conclusion: This study allows further mapping of the exact role of disgust sensitivity in human behaviour, as well as a deliberate choice of materials in blood-related experiments. It is imperative for further research on the behavioural and psychological impact 'blood' resorts on humans.},
  author       = {De Smet, Delphine and Van Speybroeck, Linda and Verplaetse, Jan},
  issn         = {0301-4460},
  journal      = {ANNALS OF HUMAN BIOLOGY},
  keywords     = {Blood,detection,CATTLE,EXCITEMENT,PROPENSITY,PERFORMANCE,DOMESTICATION,FEAR,SCALE,INJECTION-INJURY PHOBIA,INDIVIDUAL-DIFFERENCES,DISGUST SENSITIVITY,olfaction,blood phobia,disgust sensitivity},
  language     = {eng},
  number       = {1},
  pages        = {1--10},
  title        = {Why humans do not make good vampires: testing the ability of humans to detect true blood},
  url          = {http://dx.doi.org/10.3109/03014460.2011.629681},
  volume       = {39},
  year         = {2012},
}

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