Sex differences and bilateral electrodermal activity |
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Authors: | Francisco Román PhD Francisco A García-Sánchez BA José M Martínez-Selva PhD Jesús Gómez-Amor PhD Eduvigis Carrillo BA |
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Institution: | 1. Departamento Ciencias Morfológicas Anatomía Patológica y Psicobiología, Universidad de Murcia, Spain
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Abstract: | The present study was aimed at replicating the results of a previous work on sex differences and electrodermal asymmetry from
our laboratory (Román,et al. 1987). Skin conductance was bilaterally recorded in a sample of 44 dextral volunteers (22 males and 22 females) during a
stimulus-free period, and the performance of two tasks (verbal and spatial). Subjects were grouped into two groups of right-hand
and left-hand dominance in their electrodermal responses (EDRs) in accordance with their laterality coefficient scores at
rest. During the tasks subjects appeareed clearly differentiated by their lateralization in the magnitude and frequency of
EDRs independently of gender: right-hand responders showed higher electrodermal activity on their right hand, while left-hand
responders showed higher electrodermal activity on their left hand. Sex differences were not observed within each responsiveness
pattern. The orientation of phasic electrodermal changes remained constant throughout the different conditions. |
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Keywords: | |
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