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Perception of Faces and Objects by 5-Month-Old Infants of Depressed and Well Mothers |
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Abstract:
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Background and Aims: The present study investigated the role of early experience in shaping infants’ perception. 5-month-olds of mothers suffering from depression and those who were not (“well mothers”) were tested for discrimination of facial expressions and 3D objects. Experiment 1 assessed infants’ preference for a smiling faces versus a neutral face. The smiling faces ranged in intensity from a slight smile to a broad grin. Experiment 2 assessed infants’ discrimination of a smiling face from a neutral face in an infant-controlled habituation paradigm. Experiment 3 assessed infants’ perception of a 3D object using a fixed-trials procedure to provide a comparison of infants’ performance in a nonsocial domain.
Methods: Mothers were assessed for depression using the SCID-I (Structured Clinical Interview for DSM-IV Axis I Disorders; First, Spitzer, Gibbon, & Williams, 2001). 30 mothers were classified as depressed, and 42 mothers were classified as well. Infants participated in either Experiment 1 or 2 and a subset of the sample also participated in Experiment 3. In Experiment 1, infants were presented with paired stimuli on each trial in which the same female modeled a smile (expressions ranged in intensity from 1 to 5) and a neutral expression. Infants’ proportion of looking to the smiling face was calculated for each smile intensity. In Experiment 2, infants were habituated to either an intense smile or a neutral expression. Following habituation infants viewed both expressions. In Experiment 3, infants were habituated to a single view or multiple views of a 3D object. In the test phase, infants viewed a novel view of the same 3D object.
Key Results and Conclusions: In all three experiments, infants of depressed mothers preformed differently from infants of well mothers. In Experiment 1, infants of depressed and well mothers showed different preference patterns for smiling versus neutral faces; in Experiment 2 infants of depressed mothers failed to discriminate a smiling face from a neutral face, but infants of well mothers did. In Experiment 3, infants of depressed mothers showed the opposite pattern from infants of well mothers in their generalization to the new view of a familiar object. These differences may not be due to general information process differences, but instead may provide evidence of different strategies used by infants of depressed and well mothers for perceiving social and nonsocial objects. |
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Association:
Name: XVth Biennial International Conference on Infant Studies URL: http://www.isisweb.org
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Citation:
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MLA Citation:
| Arterberry, Martha., Bornstein, Marc., Mash, Clay. and Manian, Nanmathi. "Perception of Faces and Objects by 5-Month-Old Infants of Depressed and Well Mothers" Paper presented at the annual meeting of the XVth Biennial International Conference on Infant Studies, Westin Miyako, Kyoto, Japan, Jun 19, 2006 <Not Available>. 2009-05-25 <http://www.allacademic.com/meta/p93705_index.html> |
APA Citation:
| Arterberry, M. , Bornstein, M. H., Mash, C. and Manian, N. , 2006-06-19 "Perception of Faces and Objects by 5-Month-Old Infants of Depressed and Well Mothers" Paper presented at the annual meeting of the XVth Biennial International Conference on Infant Studies, Westin Miyako, Kyoto, Japan <Not Available>. 2009-05-25 from http://www.allacademic.com/meta/p93705_index.html |
Publication Type: Individual Poster Abstract: Background and Aims: The present study investigated the role of early experience in shaping infants’ perception. 5-month-olds of mothers suffering from depression and those who were not (“well mothers”) were tested for discrimination of facial expressions and 3D objects. Experiment 1 assessed infants’ preference for a smiling faces versus a neutral face. The smiling faces ranged in intensity from a slight smile to a broad grin. Experiment 2 assessed infants’ discrimination of a smiling face from a neutral face in an infant-controlled habituation paradigm. Experiment 3 assessed infants’ perception of a 3D object using a fixed-trials procedure to provide a comparison of infants’ performance in a nonsocial domain.
Methods: Mothers were assessed for depression using the SCID-I (Structured Clinical Interview for DSM-IV Axis I Disorders; First, Spitzer, Gibbon, & Williams, 2001). 30 mothers were classified as depressed, and 42 mothers were classified as well. Infants participated in either Experiment 1 or 2 and a subset of the sample also participated in Experiment 3. In Experiment 1, infants were presented with paired stimuli on each trial in which the same female modeled a smile (expressions ranged in intensity from 1 to 5) and a neutral expression. Infants’ proportion of looking to the smiling face was calculated for each smile intensity. In Experiment 2, infants were habituated to either an intense smile or a neutral expression. Following habituation infants viewed both expressions. In Experiment 3, infants were habituated to a single view or multiple views of a 3D object. In the test phase, infants viewed a novel view of the same 3D object.
Key Results and Conclusions: In all three experiments, infants of depressed mothers preformed differently from infants of well mothers. In Experiment 1, infants of depressed and well mothers showed different preference patterns for smiling versus neutral faces; in Experiment 2 infants of depressed mothers failed to discriminate a smiling face from a neutral face, but infants of well mothers did. In Experiment 3, infants of depressed mothers showed the opposite pattern from infants of well mothers in their generalization to the new view of a familiar object. These differences may not be due to general information process differences, but instead may provide evidence of different strategies used by infants of depressed and well mothers for perceiving social and nonsocial objects. |
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