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Psychol Aging. 2005 Mar;20(1):117-33.

Cognitive ability, expertise, and age differences in following air-traffic control instructions.

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Psychiatry Service, Sierra-Pacific Mental Illness Research, Education and Clinical Center, Department of Veterans Affairs, Palo Alto, CA 94304-1207, USA.


Differences in cognitive ability and domain-specific expertise may help explain age differences in pilot performance. Pilots heard air-traffic controller messages and then executed them while "flying" in a simulator. Messages varied in length and speech rate. Age was associated with lower accuracy, but the expected Age x Message Difficulty interactions were not obtained. Expertise, as indexed by pilot ratings, was associated with higher accuracy; yet expertise did not reduce age differences in accuracy. The effect of age on communication task accuracy was largely explainable as an age-associated decrease in working memory span, which in turn was explainable as decreases in both speed and interference control. Results are discussed within frameworks of deliberate practice and cognitive mediation of age differences.

[Indexed for MEDLINE]

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