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Effects of Brain Laterality on Decoding Accuracy for Facial Displays of Emotion

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Abstract:

The human face is capable of producing thousands of unique expressions and comprises the primary nonverbal channel for the communication of emotion. In this study, we investigated the effects of sex and neurological hemispheric dominance on the ability to decode facial expressions of emotion accurately. On the basis of a battery of measures assessing handedness, familial sinistrality, and immune disorders, we classified participants as having standard, anomalous, or mixed hemispheric dominance. Consistent with previous studies, we found that hemispheric dominance and sex interacted to influence participants’ abilities to decode facial affect displays from photographs. Specifically, mixed dominant females had the highest accuracy in the decoding of facial emotion, whereas mixed dominant males had the lowest accuracy. We discuss these findings within the context of communibiology and comment on their implications for the study of neurology and social behavior.

Most Common Document Word Stems:

emot (107), hemispher (106), brain (95), decod (91), domin (83), effect (62), facial (57), communic (52), express (50), right (43), accuraci (42), affect (37), left (36), differ (36), ad (35), particip (34), behavior (34), score (33), nonverb (33), research (33), process (33),

Author's Keywords:

nonverbal communication, facial emotion, hemispheric dominance, communibiology
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Name: International Communication Association
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MLA Citation:

Floyd, Kory. and Mikkelson, Alan. "Effects of Brain Laterality on Decoding Accuracy for Facial Displays of Emotion" Paper presented at the annual meeting of the International Communication Association, Marriott Hotel, San Diego, CA, May 27, 2003 <Not Available>. 2009-05-26 <http://www.allacademic.com/meta/p112345_index.html>

APA Citation:

Floyd, K. and Mikkelson, A. C. , 2003-05-27 "Effects of Brain Laterality on Decoding Accuracy for Facial Displays of Emotion" Paper presented at the annual meeting of the International Communication Association, Marriott Hotel, San Diego, CA Online <.PDF>. 2009-05-26 from http://www.allacademic.com/meta/p112345_index.html

Publication Type: Conference Paper/Unpublished Manuscript
Review Method: Peer Reviewed
Abstract: The human face is capable of producing thousands of unique expressions and comprises the primary nonverbal channel for the communication of emotion. In this study, we investigated the effects of sex and neurological hemispheric dominance on the ability to decode facial expressions of emotion accurately. On the basis of a battery of measures assessing handedness, familial sinistrality, and immune disorders, we classified participants as having standard, anomalous, or mixed hemispheric dominance. Consistent with previous studies, we found that hemispheric dominance and sex interacted to influence participants’ abilities to decode facial affect displays from photographs. Specifically, mixed dominant females had the highest accuracy in the decoding of facial emotion, whereas mixed dominant males had the lowest accuracy. We discuss these findings within the context of communibiology and comment on their implications for the study of neurology and social behavior.

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Document Type: .PDF
Page count: 35
Word count: 8545
Text sample:
Effects of Brain 1 Running head: BRAIN LATERALITY AND FACIAL EMOTION Effects of Brain Laterality on Decoding Accuracy for Facial Displays of Emotion Kory Floyd & Alan C. Mikkelson Arizona State University Manuscript submitted to International Communication Association Interpersonal Communication Division San Diego May 2003 Author notes. Kory Floyd (Ph.D. University of Arizona 1998) is associate professor of human communication at Arizona State University where Alan Mikkelson (B.A. Whitworth College 2000) is a graduate student. This research was supported
ought to be considered basic and universal (e.g. Izard 1977; Tomkins 1962 1963). However all of these Effects of Brain 35 theorists included sadness fear surprise anger and happiness (or joy) on their lists of the basic emotions. 6 Although Leathers and Emigh (1980) did not report exact age data for their sample they did report that only 31% of their participants were university students (compared to 100% of the present participants); the rest were corporation executives engineers and


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