dorsal/arxiv
View SchemaReceptive Field and Feature Map Formation in the Primary Visual Cortex via Hebbian Learning with Inhibitory Feedback
| Authors | Ted Hesselroth, Klaus Schulten |
|---|---|
| Categories | |
| ArXiv ID | q-bio/0505011 |
| URL | https://arxiv.org/abs/q-bio/0505011 |
Abstract
A linear neural network is proposed for mamalian vision system in which backward connections from the primary visual cortex (V1) to the lateral geniculate nucleus play a key role. The backward connections control the flow of information from the LGN to V1 in such a way as to maximize the rate of transfer of information from the LGN to V1. The application of hebbian learning to the forward and backward connections causes the formation of receptive fields which are sensitive to edges, bars, and spatial frequencies of preferred orientations. Receptive field types in V1 are shown to depend on the density of the afferent connections in the LGN. Orientational preferences are organized in the primary visual cortex by the application of lateral interactions during the learning phase. Change in the size of the eye between the immature and mature animal is shown be an important factor in the development of V1 organization. The orgainization of the mature network is compared to that found in the macaque monkey by several analytical tests.
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"abstract": "A linear neural network is proposed for mamalian vision system in which\nbackward connections from the primary visual cortex (V1) to the lateral\ngeniculate nucleus play a key role. The backward connections control the flow\nof information from the LGN to V1 in such a way as to maximize the rate of\ntransfer of information from the LGN to V1. The application of hebbian learning\nto the forward and backward connections causes the formation of receptive\nfields which are sensitive to edges, bars, and spatial frequencies of preferred\norientations. Receptive field types in V1 are shown to depend on the density of\nthe afferent connections in the LGN. Orientational preferences are organized in\nthe primary visual cortex by the application of lateral interactions during the\nlearning phase. Change in the size of the eye between the immature and mature\nanimal is shown be an important factor in the development of V1 organization.\nThe orgainization of the mature network is compared to that found in the\nmacaque monkey by several analytical tests.",
"arxiv_id": "q-bio/0505011",
"authors": [
"Ted Hesselroth",
"Klaus Schulten"
],
"categories": [
"q-bio.NC",
"q-bio.QM"
],
"title": "Receptive Field and Feature Map Formation in the Primary Visual Cortex via Hebbian Learning with Inhibitory Feedback",
"url": "https://arxiv.org/abs/q-bio/0505011"
},
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