Abstract

Reaction time (RT) meta-analyses of cognitive slowing indicate that all stages of processing slow equivalently and task independently among both older adults (J. Cerella & S. Hale, 1994) and adults who have suffered a traumatic brain injury (TBI; F. R. Ferraro, 1996). However, meta-analyses using both RT and P300 latency have revealed stage-specific and task-dependent changes among older individuals (T. R. Bashore, K. R. Ridderinkhof, & M. W. van der Molen, 1998). Presented in this article are a meta-analysis of the effect of TBI on processing speed, assessed using P300 latency and RT, and a qualitative review of the literature. They suggest that TBI induces differential slowing. Similarities in the effects of older age and TBI on processing speed are discussed and suggestions for future research on TBI-induced cognitive slowing are offered.

Keywords

Traumatic brain injuryCognitionLatency (audio)PsychologyAudiologyDevelopmental psychologyClinical psychologyMedicineNeurosciencePsychiatry

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Year
2002
Type
review
Volume
128
Issue
1
Pages
151-198
Citations
74
Access
Closed

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Theodore R. Bashore, K. Richard Ridderinkhof (2002). Older age, traumatic brain injury, and cognitive slowing: Some convergent and divergent findings.. Psychological Bulletin , 128 (1) , 151-198. https://doi.org/10.1037/0033-2909.128.1.151

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DOI
10.1037/0033-2909.128.1.151