Now showing items 1-6 of 6
Assessing visual requirements for social context-dependent activation of the songbird song system.
(Proc Biol Sci, 2009-01-22)
Social context has been shown to have a profound influence on brain activation in a wide range of vertebrate species. Best studied in songbirds, when males sing undirected song, the level of neural activity and expression ...
Neural correlates of categorical perception in learned vocal communication.
(Nat Neurosci, 2009-02)
The division of continuously variable acoustic signals into discrete perceptual categories is a fundamental feature of vocal communication, including human speech. Despite the importance of categorical perception to learned ...
Dominance, politics, and physiology: voters' testosterone changes on the night of the 2008 United States presidential election.
(PLoS One, 2009-10-21)
BACKGROUND: Political elections are dominance competitions. When men win a dominance competition, their testosterone levels rise or remain stable to resist a circadian decline; and when they lose, their testosterone levels ...
Resolving response, decision, and strategic control: evidence for a functional topography in dorsomedial prefrontal cortex.
(J Neurosci, 2009-10-21)
The dorsomedial prefrontal cortex (DMPFC) plays a central role in aspects of cognitive control and decision making. Here, we provide evidence for an anterior-to-posterior topography within the DMPFC using tasks that evoke ...
Common genetic variation and the control of HIV-1 in humans.
(PLoS Genet, 2009-12)
To extend the understanding of host genetic determinants of HIV-1 control, we performed a genome-wide association study in a cohort of 2,554 infected Caucasian subjects. The study was powered to detect common genetic variants ...
Construct and differential item functioning in the assessment of prescription opioid use disorders among American adolescents.
(Journal of the American Academy of Child and Adolescent Psychiatry, 2009-05)
OBJECTIVE:To examine the psychometric properties of diagnostic criteria for prescription analgesic opioid use disorders (OUDs) and to identify background predictors of a latent continuum for OUD liability. METHOD:Data were ...