NDLI: Orientation Plasticity in Visual Cortex of Mice Reared under Single-Orientation Exposure

Content Provider	IEEE Xplore Digital Library
Author	Yoshida, T. Tani, T. Tanaka, S.
Copyright Year	2009
Description	Author affiliation: Laboratory for Visual Neurocomputing, RIKEN Brain Science Institute, Wako, Saitama 351-0198, Japan (Yoshida, T.; Tani, T.; Tanaka, S.)
Abstract	To examine whether orientation selectivity in the mouse visual cortex can change depending on visual experience, we reared juvenile and adult mice under single-orientation exposure using cylindrical-lens-fitted goggles that extremely elongate visual images vertically. Immediately after goggle rearing, we performed optical imaging of intrinsic signals in the visual cortex of the mouse, while presenting 6 oriented grating stimuli. The distribution of preferred orientations was markedly biased toward the exposed vertical orientation in juvenile goggle-reared mice, whereas the distribution in normally reared mice showed a maximum at horizontal orientation and a minimum at vertical orientation. In contrast, no significant differences in the orientation distribution were found between 1-week goggle-reared and normally reared adult mice. However, in 2- or 3-week goggle-reared adult mice, the relative area maximally responding to the vertical orientation was slightly larger than that in normally reared adult mice whereas the horizontal bias was preserved. The present study demonstrated that postnatal visual experience can modify orientation selectivity in both juvenile and adult mice.
Starting Page	1
Ending Page	6
File Size	1696731
Page Count	6
File Format	PDF
ISBN	9781424441174
DOI	10.1109/DEVLRN.2009.5175530
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-05
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neuroplasticity cortical plasticity Cats Ultraviolet sources Neurons visual cortex Rats Optical imaging mouse Orientation selectivity Animals intrinsic signal optical imaging Mice Gratings Eye protection
Content Type	Text
Resource Type	Article

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