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Positive Affect Processing and Joint Attention in Infants at High Risk for Autism: An Exploratory Study

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Title: Positive Affect Processing and Joint Attention in Infants at High Risk for Autism: An Exploratory Study
Language: English
Authors: Key, Alexandra P., Ibanez, Lisa V., Henderson, Heather A.
Source: Journal of Autism and Developmental Disorders. Dec 2015 45(12):4051-4062.
Availability: Springer. 233 Spring Street, New York, NY 10013. Tel: 800-777-4643; Tel: 212-460-1500; Fax: 212-348-4505; e-mail: service-ny@springer.com; Web site: http://www.springerlink.com
Peer Reviewed: Y
Page Count: 12
Publication Date: 2015
Document Type: Journal Articles
Reports - Research
Descriptors: Autism, Risk, Siblings, Infants, Interpersonal Competence, Cues, Attention, Affective Behavior, Nonverbal Communication
DOI: 10.1007/s10803-014-2191-x
ISSN: 0162-3257
Abstract: Few behavioral indices of risk for autism spectrum disorders (ASD) are present before 12 months, and potential biomarkers remain largely unexamined. This prospective study of infant siblings of children with ASD (n = 16) and low-risk comparison infants (n = 15) examined group differences in event-related potentials (ERPs) indexing processing of facial positive affect (N290/P400, Nc) at 9 months and their relation to joint attention at 15 months. Group differences were most pronounced for subtle facial expressions, in that the low-risk group exhibited relatively longer processing (P400 latency) and greater attention resource allocation (Nc amplitude). Exploratory analyses found associations between ERP responses and later joint attention, suggesting that attention to positive affect cues may support the development of other social competencies.
Abstractor: As Provided
Number of References: 55
Entry Date: 2015
Accession Number: EJ1082542
Database: ERIC
FullText Links:
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  Data: Positive Affect Processing and Joint Attention in Infants at High Risk for Autism: An Exploratory Study
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  Data: English
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  Data: <searchLink fieldCode="AR" term="%22Key%2C+Alexandra+P%2E%22">Key, Alexandra P.</searchLink><br /><searchLink fieldCode="AR" term="%22Ibanez%2C+Lisa+V%2E%22">Ibanez, Lisa V.</searchLink><br /><searchLink fieldCode="AR" term="%22Henderson%2C+Heather+A%2E%22">Henderson, Heather A.</searchLink>
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Autism+and+Developmental+Disorders%22"><i>Journal of Autism and Developmental Disorders</i></searchLink>. Dec 2015 45(12):4051-4062.
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  Data: Springer. 233 Spring Street, New York, NY 10013. Tel: 800-777-4643; Tel: 212-460-1500; Fax: 212-348-4505; e-mail: service-ny@springer.com; Web site: http://www.springerlink.com
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  Data: Y
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  Data: 12
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  Data: Journal Articles<br />Reports - Research
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  Data: <searchLink fieldCode="DE" term="%22Autism%22">Autism</searchLink><br /><searchLink fieldCode="DE" term="%22Risk%22">Risk</searchLink><br /><searchLink fieldCode="DE" term="%22Siblings%22">Siblings</searchLink><br /><searchLink fieldCode="DE" term="%22Infants%22">Infants</searchLink><br /><searchLink fieldCode="DE" term="%22Interpersonal+Competence%22">Interpersonal Competence</searchLink><br /><searchLink fieldCode="DE" term="%22Cues%22">Cues</searchLink><br /><searchLink fieldCode="DE" term="%22Attention%22">Attention</searchLink><br /><searchLink fieldCode="DE" term="%22Affective+Behavior%22">Affective Behavior</searchLink><br /><searchLink fieldCode="DE" term="%22Nonverbal+Communication%22">Nonverbal Communication</searchLink>
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  Data: 10.1007/s10803-014-2191-x
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  Data: Few behavioral indices of risk for autism spectrum disorders (ASD) are present before 12 months, and potential biomarkers remain largely unexamined. This prospective study of infant siblings of children with ASD (n = 16) and low-risk comparison infants (n = 15) examined group differences in event-related potentials (ERPs) indexing processing of facial positive affect (N290/P400, Nc) at 9 months and their relation to joint attention at 15 months. Group differences were most pronounced for subtle facial expressions, in that the low-risk group exhibited relatively longer processing (P400 latency) and greater attention resource allocation (Nc amplitude). Exploratory analyses found associations between ERP responses and later joint attention, suggesting that attention to positive affect cues may support the development of other social competencies.
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  Data: As Provided
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  Data: 55
– Name: DateEntry
  Label: Entry Date
  Group: Date
  Data: 2015
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      – SubjectFull: Cues
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      – SubjectFull: Attention
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      – SubjectFull: Affective Behavior
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      – SubjectFull: Nonverbal Communication
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      – TitleFull: Positive Affect Processing and Joint Attention in Infants at High Risk for Autism: An Exploratory Study
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