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  • Title: Reduced negativity effect in older adults' memory for emotional pictures: the heterogeneity-homogeneity list paradigm.
    Author: Grühn D, Scheibe S, Baltes PB.
    Journal: Psychol Aging; 2007 Sep; 22(3):644-9. PubMed ID: 17874962.
    Abstract:
    Using the heterogeneity-homogeneity list paradigm, the authors investigated 48 young adults' (20-30 years) and 48 older adults' (65-75 years) recognition memory for emotional pictures. The authors obtained no evidence for a positivity bias in older adults' memory: Age differences were primarily driven by older adults' diminished ability to remember negative pictures. The authors further found a strong effect of list types: Pictures, particularly neutral ones, were better recognized in homogeneous (blocked) lists than in heterogeneous (mixed) ones. Results confirm those of a previous study by D. Grühn, J. Smith, and P. B. Baltes (2005) that used a different type of to-be-remembered material, that is, pictures instead of words.
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