Barbara L. Schwartz

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We tested the ability of d-cycloserine, a partial glycine agonist acting at the N-methyl-D-aspartate (NMDA) receptor complex, to improve implicit memory in Alzheimer patients in a parallel-group, placebo-controlled, double-blind study. One-hundred eight patients with probable Alzheimer's disease of mild to moderate severity received d-cycloserine (5, 15, or(More)
A revision of an "excitotoxic hypothesis" of schizophrenia is summarized. The hypothesis suggests that in, at least, a subtype of patients with schizophrenia, progressive excitotoxic neuronal cell death in hippocampal and cortical areas occurs via "disinhibition" of glutamatergic projections to these areas. Patients who have excitotoxic damage would be(More)
Clinicians rely on observational methods to assess obvious signs of postural abnormalities in schizophrenia, yet subtle signs of postural deficits may go unnoticed. Posture is controlled, in large part, by the cerebellum, which has been implicated in numerous reports of structural and functional deficits in schizophrenia. Given the possibility of an(More)
We assessed skill learning in young and older schizophrenic patients using the rotary pursuit task. Schizophrenic patients displayed impaired learning on this task compared with normal control subjects, but older patients were not more impaired than young ones. The patients' rotary pursuit learning was not correlated to the severity of abnormal movements or(More)
Little is known about acute effects of alcohol on memory encoding and retrieval on different limbs (ascending and descending) of the blood alcohol concentration (BAC) curve. This extensive experiment was designed to examine alcohol's effects on memory encoding and retrieval throughout a protracted drinking episode. In a 9-h session, male participants(More)
OBJECTIVE There are preclinical data showing that fluoxetine stimulated expression of Brain Derived Neurotrophic Factor (BDNF) and its specific tyrosine kinase receptor, and caused neuritic elongation and increased dendritic branching density of CA3 hippocampal pyramidal cell neurons in rodents. The latter effect of fluoxetine has been referred to as(More)
N-methyl-d-aspartate receptor hypofunction (NRH) and its downstream consequences, especially excitotoxicity, may explain the progressive psychosocial deterioration and ventriculomegaly observed in at least some patients with schizophrenia. Topiramate has several properties that address downstream consequences of NRH. In this open-label investigation, the(More)
In 27 patients with chronic schizophrenia, there was a significant correlation between performance on an antisaccade eye movement task and on the Wisconsin Card Sorting Test. A significant correlation was not obtained between antisaccade task performance and scores on the modified Mini-Mental State examination or the Schedule for the Assessment of Negative(More)