Sharper orientation tuning of the extraclassical suppressive-surround due to a neuron’s location in the V1 orientation map emerges late in time

Highlights ► Dynamics of extraclassical suppressive-surround tuning vary across V1 orientation map. ► Pinwheel cell tuning is broader and peaks earlier in time. ► Domain cell tuning is sharper, peaking significantly later in time. ► Slow tuning time course for domains suggests a role for slower cort...

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Veröffentlicht in:	Neuroscience 2013-01, Vol.229, p.100-117
Hauptverfasser:	Liu, Y.-J, Hashemi-Nezhad, M, Lyon, D.C
Format:	Artikel
Sprache:	eng
Schlagworte:	Action Potentials - physiology Animals area 17 Biological and medical sciences Cats center–surround Eye and associated structures. Visual pathways and centers. Vision feedback feedforward Female Fundamental and applied biological sciences. Psychology horizontal connections Male Neural Inhibition - physiology Neurology Neurons - physiology Orientation - physiology Photic Stimulation Time Factors Vertebrates: nervous system and sense organs Visual Cortex - physiology Visual Fields - physiology Visual Pathways - physiology Visual Perception - physiology
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Beschreibung
Zusammenfassung:	Highlights ► Dynamics of extraclassical suppressive-surround tuning vary across V1 orientation map. ► Pinwheel cell tuning is broader and peaks earlier in time. ► Domain cell tuning is sharper, peaking significantly later in time. ► Slow tuning time course for domains suggests a role for slower cortical circuits. ► Long-range lateral input from like-oriented domains is a likely source.
ISSN:	0306-4522 1873-7544
DOI:	10.1016/j.neuroscience.2012.10.071