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Mice that overexpress the human mutant amyloid precursor protein (hAPP) show learning deficits, but the apparent lack of a relationship between these deficits and the progressive beta-amyloid plaque formation that the hAPP mice display is puzzling. In the water maze, hAPP mice are impaired before and after amyloid plaque deposition. Here we show, using a(More)
BACKGROUND We examined whether the initial virological and immunological response to highly active antiretroviral treatment (HAART) is prognostic in patients with HIV-1 who start HAART. METHODS We analysed 13 cohort studies from Europe and North America including 9323 adult treatment-naive patients who were starting HAART with a combination of at least(More)
Recent work in this lab which explores the differential behavioral and neurochemical changes following left versus right cerebral damage is reviewed and neural mechanisms which may account for this asymmetry are proposed. Damage to the right frontoparietal cortex in rats, caused by either ischemia or suction, produces hyperactivity for as long as a month(More)
Using a rat model of stroke, we studied the effect of unilateral middle cerebral artery ligation on cerebrospinal fluid monoamine metabolites at different intervals over a 40-day postoperative period. Male Sprague-Dawley rats were divided into four groups: an unoperated control group (n = 9), a sham-operated group (n = 9), a right middle cerebral artery(More)
Focal suction lesions of the right frontoparietal cortex in rats produce locomotor hyperactivity. We attempted to reverse these changes by grafting homologous cortex from 16-day-old embryos into the lesion site. Various aspects of activity were measured in computerized photocell chambers until 14 weeks past transplantation. Three groups of animals were(More)
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