INVESTIGADORES
MONTANI Fernando Fabian
congresos y reuniones científicas
Título:
The role of correlations in coincidence detection and information trasmission in visual cortex
Autor/es:
F. MONTANI; A. KOHN; S. R. SCHULTZ
Lugar:
Wisconsin (USA)
Reunión:
Congreso; CNS 2005, The Annual Computational Neuroscience Meeting; 2005
Institución organizadora:
Computational Neuroscience Meeting
Resumen:
It has been known for many years that nearby cortical neurons tend to fire spikes that are correlated in time. This has lead some to propose that neurons may act as coincidence detectors (e.g. Gray 1999), in addition to (or rather than) their well-studied role as spike integrators. For coincidence detection to be a useful strategy, however, correlations must be to some extent stimulus-dependent. A number of recent studies have provided evidence for stimulus-dependent correlations (on fine timescale) between spikes fired by pairs of neurons in primary visual (Samonds and Bonds 2005, Kohn et al 2002, Kohn and Smith 2005) and auditory (DeCharms and Merzenich 1996) cortices. We have used information theory to study the relationship between these correlations and the performance of integration and coincidence detection strategies for decoding neural population spike trains.
