--- abstract: '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.' altloc: - http://www.cs.utexas.edu/users/nn/pages/publications/abstracts.html#bednar.nc2000.ps.gz chapter: ~ commentary: ~ commref: ~ confdates: ~ conference: ~ confloc: ~ contact_email: ~ creators_id: [] creators_name: - family: Bednar given: James A. honourific: '' lineage: '' - family: Miikkulainen given: Risto honourific: '' lineage: '' date: 2000-07 date_type: published datestamp: 2001-11-23 department: ~ dir: disk0/00/00/19/15 edit_lock_since: ~ edit_lock_until: ~ edit_lock_user: ~ editors_id: [] editors_name: [] eprint_status: archive eprintid: 1915 fileinfo: /style/images/fileicons/application_postscript.png;/1915/1/bednar.nc2000_color.ps.gz|/style/images/fileicons/application_pdf.png;/1915/4/bednar.nc2000_color.pdf full_text_status: public importid: ~ institution: ~ isbn: ~ ispublished: pub issn: ~ item_issues_comment: [] item_issues_count: 0 item_issues_description: [] item_issues_id: [] item_issues_reported_by: [] item_issues_resolved_by: [] item_issues_status: [] item_issues_timestamp: [] item_issues_type: [] keywords: 'tilt aftereffect, tilt after-effect, tilt aftereffects, tilt after-effects, TAE, tilt illusions, TI, orientation aftereffects, orientation after-effects, orientation illusions, visual illusions, aftereffects, illusions, primary visual cortex, self-organization, orientation maps, neural networks, perception, vision, visual development, visual function, computational neuroscience, normalization, synapses, short-term plasticity, resource redistribution, neuronal regulation, homeostasis, direct effect, indirect effect, adaptation, psychophysics' lastmod: 2011-03-11 08:54:50 latitude: ~ longitude: ~ metadata_visibility: show note: ~ number: 7 pagerange: 1721-1740 pubdom: FALSE publication: Neural Computation publisher: MIT Press refereed: TRUE referencetext: |- Anderson, J. 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Probabilistic interpretation of population codes. Neural Computation, 10 (2), 403-430. Zucker, R. S. (1989). Short-term synaptic plasticity. Annual Review of Neuroscience, 12, 13-31. relation_type: [] relation_uri: [] reportno: ~ rev_number: 12 series: ~ source: ~ status_changed: 2007-09-12 16:41:42 subjects: - comp-neuro-sci - comp-sci-neural-nets - neuro-mod - psy-phys succeeds: ~ suggestions: ~ sword_depositor: ~ sword_slug: ~ thesistype: ~ title: Tilt Aftereffects in a Self-Organizing Model of the Primary Visual Cortex type: journalp userid: 312 volume: 12