Handgrip force of maltreating mothers in reaction to infant signals |
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| Affiliation: | 1. Centre for Child and Family Studies, Leiden University, The Netherlands;2. Leiden Institute for Brain and Cognition, The Netherlands;3. Yulius Mental Health Clinic, The Netherlands;1. Washington State University, United States;2. Northern Illinois University, United States;1. Department of Neuropsychiatry, Oita University Faculty of Medicine, Hasama-Machi, Oita 879-5593, Japan;2. Department of Applied Linguistics, Oita University Faculty of Medicine, Hasama-Machi, Oita 879-5593, Japan;3. Kawano Neurosurgery Hospital, Mori-Machi, Oita, Japan;1. Department of Political Science, University of Victoria, Canada;2. Factor-Inwentash Faculty of Social Work and School of Public Policy and Governance, Faculty of Arts and Sciences, University of Toronto, 246 Bloor St. W, Toronto, ON M5S 1V4, Canada;1. Kwansei Gakuin University, Department of Psychology, School of Humanities, 1-155 Uegahara Ichiban-cho, Nishinomiya 662-8501, Japan;2. Kansai University of Welfare Sciences, Department of Social Welfare, 3-11-1 Asahigaoka, Kashihara city, Osaka 582-0026, Japan;3. Fukuyama University, Department of Humanities, Gakuen-cho 1banchi Sanzou, Fukuyama city 729-0292, Japan;1. Mental Health Services, Ministry of Health, Jerusalem, Israel;2. The Israel Center for Disease Control, Ministry of Health, Tel Hashomer, Ramat Gan, Israel;3. Department of Child and Adolescent Psychiatry, Schneider Medical Center for Children in Israel, Petach Tikvah, Israel;4. Department of Child and Adolescent Psychiatry, Ziv Hospital, Zfat, Israel |
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| Abstract: | Handgrip force responses to infant signals were examined in a sample of 43 maltreating and 40 non-maltreating mothers. During a standardized handgrip paradigm, mothers were asked to squeeze a handgrip dynamometer at maximal and at half of their maximal handgrip strength while listening to infant crying and laughter sounds. Maltreating mothers used excessive force more often while listening to infant crying and laughter than non-maltreating mothers. Of the maltreating mothers, only neglectful mothers (n = 20) tended to use excessive force more often during crying than non-maltreating mothers. Participants did not rate the sounds differently, indicating that maltreating mothers cannot be differentiated from non-maltreating mothers based on their perception of infant signals, but show different behavioral responses to the signals. Results imply that, in response to infant signals (i.e., crying or laughing), maltreating mothers may be insufficiently able to regulate the exertion of physical force. |
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| Keywords: | Child abuse and neglect Risk factors Handgrip force Infant cry sounds |
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