TY - JOUR
T1 - Age-related differences in global-local processing
T2 - Stability of laterality differences but disproportionate impairment in global processing
AU - Oken, Barry S.
AU - Kishiyama, Shirley S.
AU - Kaye, Jeffrey A.
AU - Jones, Dana E.
PY - 1999
Y1 - 1999
N2 - Visual processing of global and local, features differentially engages the right and left hemispheres and requires different allocations of spatial attention. To further understand the decline in visual cognition and visual attention with age, we studied the performance of healthy young subjects and healthy elders on a global-local figures task. The results showed that elders processed global images more quickly when presented in the left visual field and local images in the right visual field, similarly to the young controls. However, we did observe a significant impairment in the elders' ability to process global figures compared with local figures, despite there being no overall difference between global and local processing speed among the young. It is thought that this age-related decline in global processing is related to the narrowed attentional field that can be demonstrated in other age-related visual processing declines such as visual search and useful field of view.
AB - Visual processing of global and local, features differentially engages the right and left hemispheres and requires different allocations of spatial attention. To further understand the decline in visual cognition and visual attention with age, we studied the performance of healthy young subjects and healthy elders on a global-local figures task. The results showed that elders processed global images more quickly when presented in the left visual field and local images in the right visual field, similarly to the young controls. However, we did observe a significant impairment in the elders' ability to process global figures compared with local figures, despite there being no overall difference between global and local processing speed among the young. It is thought that this age-related decline in global processing is related to the narrowed attentional field that can be demonstrated in other age-related visual processing declines such as visual search and useful field of view.
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U2 - 10.1177/089198879901200207
DO - 10.1177/089198879901200207
M3 - Article
C2 - 10483929
AN - SCOPUS:0032843248
SN - 0891-9887
VL - 12
SP - 76
EP - 81
JO - Journal of Geriatric Psychiatry and Neurology
JF - Journal of Geriatric Psychiatry and Neurology
IS - 2
ER -