By Ted L. Petit (auth.), F. I. M. Craik, Sandra Trehub (eds.)

For a number of purposes, there was an explosion of curiosity in learn on getting older during the last few years. the explanations contain an know-how that an enormous and becoming share of our inhabitants is over sixty five and that learn findings can give a contribution to their healthiness, pride, and potency as individuals of society; the truth that investment corporations have recommended the necessity for extra examine attempt within the zone through developing certain courses; and likewise the truth that researchers themselves are turning extra to sensible difficulties as many theoretical concerns (in experimen­ tal psychology no less than) appear to stay as intractable as ever. therefore, at the present there's frequent curiosity in getting older, yet there's additionally an absence of data as to what has already been complete within the sector, what the theoretical matters are, and what elements give a contribution to the methodological and sensible problems. The time is propitious for conferences of specialists in a number of features of the getting older technique, either to debate between themselves most recent advances within the box and likewise to inte­ grate identified details for researchers and practitioners. in the summertime of 1980 we equipped this kind of assembly because the tenth annual psychology symposium to be held on the Erindale Campus of the collage of Toronto. the subject selected used to be getting older and Cognitive methods, and the edited contributions to the symposium shape the chapters of the current book.

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N. On the nature and function of yellow aging pigment lipofuscin. Experimental Cell Research. 1973. 80. 479-483. Katzman. Roo Terry. R. Doo & Bick. K. L. ). Aizheimer's disease: Senile dementia and related disorders. New York: Raven Press. 1978. Kidd. M. Alzheimer's disease-An electron microscopical study. Brain. 307-319. Komiya. Y. Slowing with age of the rate of slow axonal flow in bifurcating axons of rat dorsal root ganglion cells Brain Research. 1980. 183. 477-480. Machado-Salas. J. • & Scheibel.

M. ), Aging (Vol. I). New York: Raven, 1975. Brizzee, K. , Ordy, J. , & Kaak, B. Quantitative assessment of changes in neuron and glial cell packing density and lipofuscin accumulation with age in the cerebral cortex of nonhuman primate (macaca and mulatta). In R. D. Terry & S. ). Neurobiologr or aging. New York: Raven Press, 1976. Brizzee, K. , Ordy, J. , & Kaak, B. Early appearance and regional differences in intraneuronal and extraneuronal lipofuscin accumulation with age in the brain of a non-human primate (macaca & mulatta).

This waveform has been of interest to gerontologists because it has been conceived as a measure of attention and arousal (Tecce, 1972). Initial studies of the CNV in aging yielded no age differences in CNV amplitude in scalp locations over central motor areas (Marsh & Thompson, 1973; Thompson & Nowlin, 1973). However, Loveless and Sanford (1974) found age differences in the shape of the CNV in long S I-S2 intervals, and they suggested that the aged failed to modulate arousal as efficiently as the young.

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