We describe four patients with a clinical diagnosis of senile dementia of Alzheimer's type (AD) in which increased eating was a prominent feature. In three of these cases the increase in eating was associated with a gain in weight and in two cases with a change in food preference. None of the patients had other features of the Kluver-Bucy syndrome, nor was these patients' change in behavior attributable to the taking of medication. We argue that these changes in eating are probably due to underlying brain pathology and not mediated through memory impairment. Indeed, from the neuropathological changes found in AD, it might be predicted that changes in eating would occur in this disorder.
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