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This study addressed the issue of prevalence and pattern of visual deficits in 77 subjects with Alzheimer's disease (AD) and 111 healthy control subjects. We defined cutoff scores that would be expected from only 1 control subject of 100 (p = 0.01). The percentage of AD subjects who performed at or worse than this level varied across the 16 visual tests(More)
We studied a woman (Case 1) who acquired achromatopsia, prosopagnosia, and memory loss after sustaining bilateral temporal-lobe lesions. Given her symptoms and locus of lesion, the affected area may be related to the monkey visual area IT. In order to examine her deficits, we assessed her basic discrimination capacities in several domains. She performed(More)
OBJECTIVE To determine whether right anterior temporal lobectomy (RTL) results in perceptual deficits, and whether the perception of particular stimulus features (i.e., shape, motion, color) is affected differentially. BACKGROUND RTL results in abnormal visual discrimination, recognition, and recall of pictorial material that cannot be easily specified(More)
Our aim in this paper is to bring the woefully neglected literature on predictive modeling to bear on some central questions in the philosophy of science. The lesson of this literature is straightforward: For a very wide range of prediction problems, statistical prediction rules (SPRs), often rules that are very easy to implement, make predictions than are(More)
Prudence-the maximization of one's own welfare irrespective of temporal propinquity-seems to many obviously rational. Special, controversial, and often difficult argument seems necessary to show that an equivalent concern with the welfare of others is rational. But Henry Sidgwick asked an important question about this distribution of the burden of proof: I(More)
Accounts of mental content rooted in asymmetric dependence hold, crudely speaking, that the content of a mental representation is the cause of that representation on which all its other causes depend. 1 To speak somewhat less crudely, such accounts, hereafter " AD accounts " , hold 1) that (a) any nomic relations which obtain between, on the one hand, a(More)
Multiple-Act Consequentialism specifies that one should only defect from a group act with good consequences if one can achieve better consequences by the defecting act alone than the entire group act achieves. It also holds that when different valuable group agents of which one is part specify roles which conflict, one should follow the role in the group(More)
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