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1 * 1 1,2 1 2 (gender aftereffects) ( ) ( )..,..,... * 2010 ( ) (No ) :,, ( ) 134, scchong@yonsei.ac.kr, Tel :

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16 ..,,,. (2009).. (4), Bentin, S., Allison, T., Puce, A., & McCarthy, G. (1996). Electrophysiological studies of Face perception in humans. Journal of Cognitive Neuroscience, 8 (6), Brainard, D. H. (1997). The Psychophysics Toolbox. Spatial Vision, 10, Brandt, S. A., Stark, L. W. (1997). Spontaneous Eye Movements During Visual Imagery Reflect the Content of the Visual Scene. Journal of Cognitive Neuroscience, 9 (1), Chung, C., OH, K., Lee, Y., & Byun, H. (1998). Development of a Gamsung measurement system and a database for facial expressions and gestures (Tech. Rep. No. G ). Korea: Ministry of Science and Technology. Cui, X., Jeter, C. B., Yang, D., Montague, P. R., & Eagleman, D. M. (2007). Vividness of mental imagery: Individual variability can be measured objectively. Vision Research, 47 (4), DeBruine, L. M., Welling, L. L. M., Jones, B. C., & Little, A. C. (2010). Opposite effects of visual versus imagined presentation of faces on subsequent sex perception. Visual Cognition, 18 (6), Eimer, M., Kiss, M., & Nicholas, S. (2010). Response Profile of the Face-Sensitive N170 Component: A Rapid Adaptation Study. Cerebral Cortex, 20 (10), Farah, M. J. (1989). The neural basis of mental imagery. Trend in NeuroScience, 12 (10), Finke, R. A. (1980). Level of equivalence in imagery and perception. Psychological Review, 87 (2), Ganis, G., & Schendan, H. E. (2008). Visual mental imagery and perception produce opposite adaptation effects on early brain potentials. NeuroImage, 42, Hurlbert, A. (2001). Trading faces. Nature Neuroscience, 4, 3-5. Jeffreys, D. A. (1989). A face-responsive potential recorded from the human scalp. Experimental Brain Research, 78 (1), Kovacs, G., Zimmer, M., Banko, E., Harza, I., Antal, A., & Vidnyanszky, Z. (2006). Electrophysiological correlates of visual adaptation to faces and body parts in humans. Cerebral Cortex, 16, Kosslyn, S. M. (1980). Image and Mind. Harvard University Press. Kosslyn, S. M., Ganis, G., & Thompson, W. L. (2001). NEURAL FOUNDATIONS OF IMAGERY. Neuroscience, 2, Kreiman, G., Koch, C., & Fried, I. (2000).

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19 Gender aftereffects from mental imagery of faces and individual differences Kang Yong Eo 1 Sang Chul Chong 1,2 1 Graduate Program in Cognitive Science, Yonsei University 2 Department of Psychology, Yonsei University Prior exposure to a specific gender changes perception of subsequent gender in face perception (gender aftereffects). The current study investigated the nature of gender aftereffects from visual imagery. We found that the ambiguous faces were categorized as male more often after visualizing male faces than after visualizing female faces. Seemingly this result suggests that imagery adaptation has the opposite effects as compared to perceptual adaptation. However, when individual data was separately analyzed, each participant was categorized into four distinctive groups depending on the direction of aftereffects. Specifically, some participants showed imagery aftereffects just like perceptual aftereffects, whereas others showed the opposite trends. This result suggests that the effects of imagery adaptation can be different depending on individual's ability to visualize. Therefore, individual differences should be considered when measuring the effects of imagery adaptation. Key words : gender aftereffects, mental imagery, adaptation, face

. (Farah, Klein, & Levinson, 1995; Farah, Wilson, Drain, & Tanaka, 1998; Johnson, Dziurawiec, Ellis, & Morton, 1991; Valentine, 1988).,, (Carey, 1992;

. (Farah, Klein, & Levinson, 1995; Farah, Wilson, Drain, & Tanaka, 1998; Johnson, Dziurawiec, Ellis, & Morton, 1991; Valentine, 1988).,, (Carey, 1992; - * 1) 2) 1), 2),,., (Low Spatial Frequency: LSF).. 1., (High Spatial Frequency: HSF).,, LSF HSF. 2., LSF,, HSF.. * 2012 ( ) (NRF-2012S1A5A2A03034516). :,,, (120-749) 50, E-mail : scchong@yonsei.ac.kr