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Physiological and behavioral parameters of infants’ categorization: changes in heart rate and duration of examining across trials.

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Title: Physiological and behavioral parameters of infants’ categorization: changes in heart rate and duration of examining across trials.
Authors: Elsner, Birgit (AUTHOR), Pauen, Sabina (AUTHOR), Jeschonek, Susanna (AUTHOR)
Source: Developmental Science. Nov2006, Vol. 9 Issue 6, p551-556. 6p. 1 Diagram, 2 Graphs.
Subjects: Behavioral assessment of infants, Newborn infant physiology, Categorization (Psychology) in children, Heart conduction system, Attention in infants, Electrocardiography
Abstract: This report investigates the relations between duration of examining and heart rate (HR) across several trials of an object-examination task. A total of N = 20 11-month-olds were familiarized with a sequence of 10 different exemplars from the same global category (animals or furniture) before they received an exemplar from the contrasting category at test. Consistent with previous findings, HR was lower during states of focused attention (i.e. examining) than during states of casual attention (i.e. looking) or non-looking. Over the familiarization trials, examining stayed about the same, while mean HR increased. At test, examining increased and mean HR decreased, indicating that infants focused their attention on the out-of-category object. Psychophysiological and behavioral measures of attention were systematically related over trials, suggesting that heart rate provides a suitable objective measure to study infants’ categorization performance in object-examination tasks. [ABSTRACT FROM AUTHOR]
Copyright of Developmental Science is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Physiological and behavioral parameters of infants’ categorization: changes in heart rate and duration of examining across trials.
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  Data: <searchLink fieldCode="AR" term="%22Elsner%2C+Birgit%22">Elsner, Birgit</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pauen%2C+Sabina%22">Pauen, Sabina</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jeschonek%2C+Susanna%22">Jeschonek, Susanna</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Developmental+Science%22">Developmental Science</searchLink>. Nov2006, Vol. 9 Issue 6, p551-556. 6p. 1 Diagram, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Behavioral+assessment+of+infants%22">Behavioral assessment of infants</searchLink><br /><searchLink fieldCode="DE" term="%22Newborn+infant+physiology%22">Newborn infant physiology</searchLink><br /><searchLink fieldCode="DE" term="%22Categorization+%28Psychology%29+in+children%22">Categorization (Psychology) in children</searchLink><br /><searchLink fieldCode="DE" term="%22Heart+conduction+system%22">Heart conduction system</searchLink><br /><searchLink fieldCode="DE" term="%22Attention+in+infants%22">Attention in infants</searchLink><br /><searchLink fieldCode="DE" term="%22Electrocardiography%22">Electrocardiography</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This report investigates the relations between duration of examining and heart rate (HR) across several trials of an object-examination task. A total of N = 20 11-month-olds were familiarized with a sequence of 10 different exemplars from the same global category (animals or furniture) before they received an exemplar from the contrasting category at test. Consistent with previous findings, HR was lower during states of focused attention (i.e. examining) than during states of casual attention (i.e. looking) or non-looking. Over the familiarization trials, examining stayed about the same, while mean HR increased. At test, examining increased and mean HR decreased, indicating that infants focused their attention on the out-of-category object. Psychophysiological and behavioral measures of attention were systematically related over trials, suggesting that heart rate provides a suitable objective measure to study infants’ categorization performance in object-examination tasks. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Developmental Science is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1111/j.1467-7687.2006.00532.x
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 551
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      – SubjectFull: Behavioral assessment of infants
        Type: general
      – SubjectFull: Newborn infant physiology
        Type: general
      – SubjectFull: Categorization (Psychology) in children
        Type: general
      – SubjectFull: Heart conduction system
        Type: general
      – SubjectFull: Attention in infants
        Type: general
      – SubjectFull: Electrocardiography
        Type: general
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      – TitleFull: Physiological and behavioral parameters of infants’ categorization: changes in heart rate and duration of examining across trials.
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            NameFull: Pauen, Sabina
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            NameFull: Jeschonek, Susanna
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              M: 11
              Text: Nov2006
              Type: published
              Y: 2006
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            – TitleFull: Developmental Science
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