Show simple item record

dc.contributor.authorGrossberg, Stephenen_US
dc.contributor.authorPribe, Christopheren_US
dc.contributor.authorCohen, Michael A.en_US
dc.date.accessioned2011-11-14T18:46:35Z
dc.date.available2011-11-14T18:46:35Z
dc.date.issued1994-08
dc.identifier.urihttps://hdl.handle.net/2144/2159
dc.description.abstractHow do humans and other animals accomplish coordinated movements? How are novel combinations of limb joints rapidly assembled into new behavioral units that rnove together in in-phase or anti-phase movement patterns during complex movement tasks? A neural central pattern generator (CPG) model simulates data from human bimanual coordination tasks. As in the data, anti-phase oscillations at low frequencies switch to in-phase oscillations at high frequencies, in-phase oscillation occur both at low and high frequencies, phase fluctuations occur at the anti-phase in-phase transition, a "seagull effect" of larger errors occurs at intermediate phases, and oscillations slip toward in-phase and anti-phase when driven at intermediate phases. These oscillations and bifurcations are emergent properties of the CPG model in response to volitional inputs. The CPC model is a version of the Ellias-Grossberg oscillator. Its neurons obey Hodgkin-Huxley type equations whose excitatory signals operate on a faster time scale than their inhibitory signals in a recurrent on-center off-surround anatomy. When an equal cornmand or GO signal activates both model channels the model CPC: can generate both in-phase and anti-phase oscillations at different GO amplitudes. Phase transitions frorn either in-phase to anti-phase oscillations, or from anti-phase to in- phase oscillations, can occur in different pararncter ranges, as the GO signal increases.en_US
dc.description.sponsorshipAir Force Office of Scientific Research (F49620-92-J-0499, 90-0083, F49620-92-J-0225, 90-0128); Office of Naval Research (N00014-92-J-1309); Army Research Office (DAAL03-0088); National Science Foundation (IRI-90-24877)en_US
dc.language.isoen_USen_US
dc.publisherBoston University Center for Adaptive Systems and Department of Cognitive and Neural Systemsen_US
dc.relation.ispartofseriesBU CAS/CNS Technical Reports;CAS/CNS-TR-1994-021en_US
dc.rightsCopyright 1994 Boston University. Permission to copy without fee all or part of this material is granted provided that: 1. The copies are not made or distributed for direct commercial advantage; 2. the report title, author, document number, and release date appear, and notice is given that copying is by permission of BOSTON UNIVERSITY TRUSTEES. To copy otherwise, or to republish, requires a fee and / or special permission.en_US
dc.subjectCentral pattern generator
dc.subjectOscillations
dc.subjectNeural networks
dc.subjectNetwork gait
dc.subjectCoordination
dc.subjectMotor cortex
dc.subjectGO signal
dc.subjectLateral inhibition
dc.titleNeural Control of Interlimb Oscillations I: Human Bimanual Coordinationen_US
dc.typeTechnical Reporten_US
dc.rights.holderBoston University Trusteesen_US


Files in this item

This item appears in the following Collection(s)

Show simple item record