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Category-Specific Visual Recognition and Aging from the PACE Theory Perspective: Evidence for a Presemantic Deficit in Aging Object Recognition

Abstract : Background/Study Context: The objective of this study was to investigate the object recognition deficit in aging. Age-related declines were examined from the presemantic account of category effects (PACE) theory perspective (Gerlach, 2009, Cognition, 111, 281-301). This view assumes that the structural similarity/dissimilarity inherent in living and nonliving objects, respectively, can account for a wide range of category-specific effects. METHODS: In two experiments on object recognition, young (36 participants, 18-27 years) and older (36 participants, 53-69 years) adult participants' performances were compared. RESULTS: The young adults' results corroborate the PACE theory expectations. The results of the older adults showed an impairment in recognition of structurally similar objects irrespective of semantic category. CONCLUSION: The two sets of results suggest that a deficit in the selection stage of the PACE theory (visual long-term memory matching) could be responsible for these impairments. Indeed, the older group showed a deficit when this stage was most relevant. This article emphasize on the critical need for taking into account structural component of the stimuli and type of tasks in further studies.
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https://hal.univ-lille.fr/hal-02381758
Contributeur : Lilloa Université de Lille <>
Soumis le : mardi 26 novembre 2019 - 17:53:19
Dernière modification le : mercredi 27 novembre 2019 - 01:40:25

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Pierre Bordaberry, Christian Gerlach, Quentin Lenoble. Category-Specific Visual Recognition and Aging from the PACE Theory Perspective: Evidence for a Presemantic Deficit in Aging Object Recognition. Exp Aging Res, 2016, Experimental Aging Research, 42 (5), pp.431-446. ⟨10.1080/0361073X.2016.1224634⟩. ⟨hal-02381758⟩

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