Rebecca C Hanna

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Although blindness alters neocortical processing of non-visual tasks, previous studies do not allow clear conclusions about purely perceptual tasks. We used functional magnetic resonance imaging (fMRI) to examine the neural processing underlying tactile microspatial discrimination in the blind. Activity during the tactile microspatial task was contrasted(More)
PURPOSE To determine whether in vitro expanded CD4(+)CD25(+)Foxp3(+) regulatory T cells can suppress immune-mediated ocular surface inflammation in a mouse model of dry eye. METHODS C57BL/6 or BALB/c mice were exposed to a dry, desiccating environment produced by maintaining low humidity (<40%), injections of scopolamine, and air flow produced by a fan.(More)
Prior cannabis use, compared to nonuse, is reported to be associated with less cognitive impairment in schizophrenia. The age of cannabis use and the persistent influence of cannabis use on cognitive function has not been examined across the psychosis dimension. Ninety-seven volunteers with psychosis (schizophrenia, schizoaffective, or bipolar psychosis)(More)
The function of suppression of context-inappropriate meanings during lexical ambiguity resolution was examined in 25 adults with prefrontal cortex damage (PFCD) localized to the left (N=8), right (N=6), or bilaterally (N=11); and 21 matched Controls. Results revealed unexpected inverse patterns of suppression between PFCD and Control groups, with measures(More)
BACKGROUND The use of cannabis has garnered more attention recently with ongoing efforts at marijuana legalization. The consequences of cannabis use are not clearly understood and remain a concern. OBJECTIVES To review the acute and persistent effects of cannabis use and associations with psychiatric disorders. METHODS Using Pubmed and PsychInfo, we(More)
OBJECTIVE The aim of this report is to study the impact of a pilot educational event on psychiatry residents' attitudes towards suicidal patients, understanding of their family members' experience, and intended management of patients who died by suicide. METHODS A panel of suicide loss survivors spoke to psychiatry residents during an educational event.(More)
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