RT Journal Article
SR Electronic
T1 Mapping Pitch Representation in Neural Ensembles with fMRI
JF The Journal of Neuroscience
JO J. Neurosci.
FD Society for Neuroscience
SP 13343
OP 13347
DO 10.1523/JNEUROSCI.3813-12.2012
VO 32
IS 39
A1 Griffiths, Timothy D.
A1 Hall, Deborah A.
YR 2012
UL http://www.jneurosci.org/content/32/39/13343.abstract
AB Functional magnetic resonance imaging (fMRI) in humans and macaques allows a test of the hypothesis that there is a specialized neural ensemble for pitch within auditory cortex: a pitch center. fMRI measures the blood oxygenation level-dependent (BOLD) response related to regional synaptic activity (Logothetis et al., 2001). The distinction between synaptic activity and spike firing, and species differences encourage caution when comparing BOLD activity in humans and macaques to recordings from single neurons in ferret and marmoset in the previous mini-review. The BOLD data provide support for the pitch-center concept, with ongoing debate about its location.