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- W344101438 abstract "Two e>Teriments arc reported in trich cardiac habituation and dishnbituation to pure tone stimuli ,:ere studied in well and malnourished Guatemalan infants. In both studies the magnitude of the orienting response was found to he attenuated or completely absent in infant:; suffering from nutritional insult. The findings were taken as evidence of a basic learning deficit that might account for the often reported poor performance of malnourished children on standard psychological tests. THE EFFFCT OF rtALNurRrrio ON AUTONOMIC RFAC IVITY TO AN AUDITORY STMAL: SOME PRELIMINARY FINDINGS harry Lester Studies relating nutritional status to mental development generally have been conducted with preschool and school-age children. Few attempts have been made to assess the effects of malnutrition on behavior within the first two years of life. Moreover, those studies which have focused on infancy have been concerned with reporting gross differences in behavior particularly as measured by standard infant scales (Chase and Martin, 1970; Cravioto and Robles, 1965; Monckeberg, 1968; Stoch and Smythe, 1968). While infant developmental scales are useful as descriptors of overall psycho-motor functioning, unfortunately, they do not specify the underlying psychological processes that may be affected by malnutrition. On the other hand, specific psychological deficits are one characteristic feature of the clinical syndrome of malnutrition. The infant suffering from nutritional insult is universally found to be unresponsive to stimulus changes in the environment. The exploratory behavior, curiosity, and activity so typical of the normal infant is dramatically reduced or absent among malnourished infants. For example, so marked is this condition of apathy that one of the hallmarks of recovery from malnutrition is the reappearence of the smile. The purpose of the present research was to provide an experimental, test of the-hypothesis that the infant's. ability to reapond appropriAely to impinging environmental stimulation is affected by nutritional insult. Two studies are reported in which orientation and habituation to an auditory stimulus are compared in infanta.-of -marying nutritional status." @default.
- W344101438 created "2016-06-24" @default.
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- W344101438 date "1973-03-01" @default.
- W344101438 modified "2023-09-23" @default.
- W344101438 title "The Effect of Malnutrition on Autonomic Reactivity to an Auditory Signal: Some Preliminary Findings." @default.
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