Phase sensitivity of complex cells in primary visual cortex

Highlights ► Visual neurons are classified as simple or complex based on their spatial phase sensitivity. ► Classification is typically based on Fourier analysis of responses to moving sine-wave gratings. ► We show that Fourier analysis of neural responses is sensitive to the number of spikes availa...

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Veröffentlicht in:	Neuroscience 2013-05, Vol.237, p.19-28
Hauptverfasser:	Hietanen, M.A, Cloherty, S.L, van Kleef, J.P, Wang, C, Dreher, B, Ibbotson, M.R
Format:	Artikel
Sprache:	eng
Schlagworte:	Action Potentials - physiology Animals Biological and medical sciences Cats Eye and associated structures. Visual pathways and centers. Vision F1/F0 Fundamental and applied biological sciences. Psychology Models, Neurological Neurology Neurons - cytology Neurons - physiology Photic Stimulation response modulation Sensory Gating - physiology simple cells Vertebrates: nervous system and sense organs vision Visual Cortex - cytology Visual Cortex - physiology Visual Perception - physiology
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Beschreibung
Zusammenfassung:	Highlights ► Visual neurons are classified as simple or complex based on their spatial phase sensitivity. ► Classification is typically based on Fourier analysis of responses to moving sine-wave gratings. ► We show that Fourier analysis of neural responses is sensitive to the number of spikes available. ► We present a framework for assessing the significance of modulated responses to moving gratings. ► We quantify, for the first time, the prevalence of modulated responses among complex cells in V1.
ISSN:	0306-4522 1873-7544
DOI:	10.1016/j.neuroscience.2013.01.030