J P Buchanan

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BACKGROUND Few studies have reported acute postbout cognitive function in amateur boxers, and none have documented the effects of repeated boxing bouts within a short time frame. OBJECTIVE To determine whether participation in a 7-day amateur boxing tournament is associated with acute deterioration in cognitive test performance. METHODS A prospective(More)
Aged humans and aged experimental animals exhibit a diminished ability to upregulate hematopoiesis, but the mechanism responsible for this is unknown. The purpose of the studies was to test the hypothesis that this disregulation might be attributable to altered expression of hematopoietic growth factors. We studied the in vitro ability of cells from aged(More)
Beck's content specificity hypothesis predicts distinct cognitive content within specific psychological disorders. We evaluated whether the third component of the "cognitive triad", negative view of the future (hopelessness), would be related 4 weeks later to depressive symptoms, but not to anxiety. University student participants (83 females, 71 males)(More)
This article describes a preliminary effort to evaluate inpatient psychiatric services at the Carl Vinson DVA Medical Center in Dublin, Georgia. The facility annually treats a large number of veterans for a variety of psychiatric disorders. To determine whether these veterans improved following care, a simple pretest-posttest group design was employed,(More)
Third grade children (40 females and 40 males) were first classified with the Matching Familiar Figures Test and then were given an Incomplete Figures Test designed to test Kagan's risk hypothesis for conceptual tempo. In the latter test, the children were shown sets of line drawings in which each successive drawing in a set revealed progressively more of(More)
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