Ana A. Amaral

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We inquiry, in the epidemiologic history of 42 patients with cryptococcosis, the contact with pigeon, trying to find the possible source of infection. Of these patients, the information compatible with ecologic niche of Cryptococcus neoformans was positive in 16. Fifty nine samples were recovered from soil, associated with pigeon habitat. We found C.(More)
The effect of unattended task-irrelevant auditory stimuli in the context of an auditory task is not well understood. Using human functional magnetic resonance imaging (fMRI) we compared blood oxygenation level dependent (BOLD) signal changes resulting from monotic task-irrelevant stimulation, monotic task-relevant stimulation and dichotic stimulation with(More)
Tinnitus is highly prevalent in the general population. Tinnitus sufferers often report having difficulties focusing on a task at hand and ignoring the tinnitus percept. Behavioral studies have shown evidence for impairments in attention, interference inhibition, and various other executive functions in tinnitus. However, few neuroimaging studies have(More)
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