TY - GEN
ID - cogprints1915
UR - http://cogprints.org/1915/
A1 - Bednar, James A.
A1 - Miikkulainen, Risto
Y1 - 2000/07//
N2 - RF-LISSOM, a self-organizing model of laterally connected orientation maps in the primary visual cortex, was used to study the psychological phenomenon known as the tilt aftereffect. The same self-organizing processes that are responsible for the long-term development of the map are shown to result in tilt aftereffects over short time scales in the adult. The model permits simultaneous observation of large numbers of neurons and connections, making it possible to relate high-level phenomena to low-level events, which is difficult to do experimentally. The results give detailed computational support for the long-standing conjecture that the direct tilt aftereffect arises from adaptive lateral interactions between feature detectors. They also make a new prediction that the indirect effect results from the normalization of synaptic efficacies during this process. The model thus provides a unified computational explanation of self-organization and both the direct and indirect tilt aftereffect in the primary visual cortex.
PB - MIT Press
KW - tilt aftereffect
KW - tilt after-effect
KW - tilt aftereffects
KW - tilt after-effects
KW - TAE
KW - tilt illusions
KW - TI
KW - orientation aftereffects
KW - orientation after-effects
KW - orientation illusions
KW - visual illusions
KW - aftereffects
KW - illusions
KW - primary visual cortex
KW - self-organization
KW - orientation maps
KW - neural networks
KW - perception
KW - vision
KW - visual development
KW - visual function
KW - computational neuroscience
KW - normalization
KW - synapses
KW - short-term plasticity
KW - resource redistribution
KW - neuronal regulation
KW - homeostasis
KW - direct effect
KW - indirect effect
KW - adaptation
KW - psychophysics
TI - Tilt Aftereffects in a Self-Organizing Model of the Primary Visual Cortex
SP - 1721
AV - public
EP - 1740
ER -