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J Physiol Paris. 2002 Sep-Dec;96(5-6):421-9.

The electric image in Gnathonemus petersii.

Author information

1
Sciences Biomatemáitica y Neurociencias, Instituto de Biología, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo, Uruguay. ruben@biomat.fcien.uy

Abstract

We review modelling and experimental work dealing with the mechanisms of generation of electric image. We discuss: (1) the concept of electric image in the context of the reafference principle; (2) how waveform codes an impedance related qualia of the object image, referred to as "electric colour"; (3) that some characteristics of the spatial profiles generated by pre-receptor mechanisms are suitable for edge detection; (4) which parameters of the spatial profiles provide information for distance discrimination; (5) that electric images are distributed representations of the scene.

PMID:
14692490
DOI:
10.1016/S0928-4257(03)00020-2
[Indexed for MEDLINE]

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