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An event-related potential study of attention and recognition memory in infants with iron-deficiency anemia.

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Title: An event-related potential study of attention and recognition memory in infants with iron-deficiency anemia.
Authors: Burden MJ (AUTHOR), Westerlund AJ (AUTHOR), Armony-Sivan R (AUTHOR), Nelson CA (AUTHOR), Jacobson SW (AUTHOR), Lozoff B (AUTHOR), Angelilli ML (AUTHOR), Jacobson JL (AUTHOR)
Source: Pediatrics. Aug2007, Vol. 120 Issue 2, pe336-45. 1p.
Abstract: OBJECTIVES: The purpose of this work was to determine whether iron-deficiency anemia in infancy represents a risk factor for deficits in attention and memory development using event-related potentials. METHODS: Artifact-free event-related potential data were obtained at 9 and/or 12 months from 15 infants with iron-deficiency anemia and 19 who were iron sufficient during a test of the infant's ability to discriminate a highly familiar stimulus, the mother's face, from a stranger's face. RESULTS: A midlatency negative component associated with attention and a late-occurring positive slow wave associated with memory updating were identified at both ages in the iron-deficiency anemia and iron-sufficient groups. Consistent with the age-appropriate pattern of development at 9 months, the iron-sufficient group showed a greater attentional response (negative component) to the mother and a greater updating of memory for the stranger (positive slow wave). This pattern of responses was not evident in the iron-deficiency anemia group until 12 months, suggesting a delay in cognitive development. CONCLUSIONS: These data suggest that iron-deficiency anemia adversely affects the allocation of neurophysiologic resources to attention and recognition memory during the processing of information about familiar and unfamiliar stimuli. This delay in cognitive development may reflect alterations in efficiency of central nervous system functions that seem related to early iron deficiency. [ABSTRACT FROM AUTHOR]
Copyright of Pediatrics is the property of American Academy of Pediatrics 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: An event-related potential study of attention and recognition memory in infants with iron-deficiency anemia.
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  Data: <searchLink fieldCode="AR" term="%22Burden+MJ%22">Burden MJ</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Westerlund+AJ%22">Westerlund AJ</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Armony-Sivan+R%22">Armony-Sivan R</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nelson+CA%22">Nelson CA</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jacobson+SW%22">Jacobson SW</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lozoff+B%22">Lozoff B</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Angelilli+ML%22">Angelilli ML</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jacobson+JL%22">Jacobson JL</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Pediatrics%22">Pediatrics</searchLink>. Aug2007, Vol. 120 Issue 2, pe336-45. 1p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: OBJECTIVES: The purpose of this work was to determine whether iron-deficiency anemia in infancy represents a risk factor for deficits in attention and memory development using event-related potentials. METHODS: Artifact-free event-related potential data were obtained at 9 and/or 12 months from 15 infants with iron-deficiency anemia and 19 who were iron sufficient during a test of the infant's ability to discriminate a highly familiar stimulus, the mother's face, from a stranger's face. RESULTS: A midlatency negative component associated with attention and a late-occurring positive slow wave associated with memory updating were identified at both ages in the iron-deficiency anemia and iron-sufficient groups. Consistent with the age-appropriate pattern of development at 9 months, the iron-sufficient group showed a greater attentional response (negative component) to the mother and a greater updating of memory for the stranger (positive slow wave). This pattern of responses was not evident in the iron-deficiency anemia group until 12 months, suggesting a delay in cognitive development. CONCLUSIONS: These data suggest that iron-deficiency anemia adversely affects the allocation of neurophysiologic resources to attention and recognition memory during the processing of information about familiar and unfamiliar stimuli. This delay in cognitive development may reflect alterations in efficiency of central nervous system functions that seem related to early iron deficiency. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Pediatrics is the property of American Academy of Pediatrics 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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        Value: 10.1542/peds.2006-2525
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