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Science 15 November 1963:
Vol. 142. no. 3594, pp. 977 - 979
DOI: 10.1126/science.142.3594.977
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Articles

Directional Movement and Horizontal Edge Detectors in the Pigeon Retina

Humberto R. Maturana 1 and S. Frenk 1

1 Cátedra de Biología and Instituto de Fisiología, Fscuela de Medicina, Universidad de Chile, Santiago

There are ganglion cells in the pigeon retina that respond selectively, some to any edge moving in a particcular direction only, others to any vertically moving horizontal edge. This selective response to a specific stimulus arises from the selective sensitivity of each neuron to a particular spatiotemporal configuration in its afferent influences, and is independent of specific pathways.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)