Effects of age on state of awareness following implicit and explicit word-association tasks.
Younger and older participants did word-association tasks after implicit and explicit instructions and a read-generate study manipulation. No age differences were shown in the implicit version of the test. A generation effect for both age groups suggested that word-association priming can be classified as a conceptually driven task and a new task at which older adults show a relatively preserved memory function. However, the younger group did better on the explicit test in the generate condition. Participants were asked to examine their implicitly produced responses to make them accessible to conscious retrieval. Remember (R) and Know (K) measures of conscious awareness were applied to both postimplicit and postexplicit word-association responses. Age and awareness showed opposite effects in postimplicit retrieval. Younger participants tended to make more R responses than did the older adults, and K responses did not vary with age, but the older group was unaware of more primed items as study list members. Age differences were also shown in R but not K responses after word-association cued recall.
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Laboratory of Experimental Psychology, University of Sussex, Brighton, England.
D000328:Adult; D000368:Aged; D000375:Aging / Q000523:psychology*; D001364:Awareness; D003210:Concept Formation; D005260:Female; D006801:Humans; D007721:Knowledge of Results, Psychological; D008297:Male; D011939:Mental Recall; D008875:Middle Aged; D011340:Problem Solving; D012153:Retention, Psychology; D014936:Word Association Tests