Main areas of research:

Neurophysiology

Interests/keywords:

brainstem
basal ganglia
reinforcement learning
eye movement
motor control

Current title/position:

Associate Professor

Current affiliation/employer:

Osaka University

Collaborators:

MItsuso Kawato
Tadashi Isa
Izumi Ohzawa

Personal or laboratory homepage:

http://www7.bpe.es.osaka-u.ac.jp/~yasushi/

Publications:

Okada K and Kobayashi Y
Characterization of oculomotor and visual activities in the primate pedunculopontine tegmental nucleus during visually guided saccade tasks.
European Journal of Neuroscience 30: 2211-2223, 2009

Okada K, Toyama K, Inoue Y, Isa T and Kobayashi Y
Different Pedunculopontine Tegmental Neurons Signal Predicted and Actual Task Rewards
The Journal of Neuroscience 29: 4858-4870, 2009

Watanabe M, Kobayashi Y, Inoue Y, Isa T
Effects of local nicotinic activation of the superior colliculus on saccades in monkeys.
J Neurophysiol. 93: 519-34, 2005

Kobayashi Y, Inoue Y, Yamamoto M, Isa T and Aizawa H
Contribution of Pedunculopontine Tegmental Nucleus Neurons to Performance of Visually Guided Saccade Tasks in Monkeys
J Neurophysiol 88: 715-731, 2002.

Yamamoto K, Kobayashi Y, Takemura A, Kawano K, and Kawato M
Computational Studies on Acquisition and Adaptation of Ocular Following Responses Based on Cerebellar Synaptic Plasticity
J Neurophysiol 87: 1554-1571, 2002

Yamamoto K, Kobayashi Y, Takemura A, Kawano K, Kawato M.
A mathematical analysis of the characteristics of the system connecting the cerebellar ventral paraflocculus and extraoculomotor nucleus of alert monkeys during upward ocular following responses.
Neurosci Res 38: 425-35, 2000

Aizawa H, Kobayashi Y, Yamamoto M, and Isa T
Injection of Nicotine Into the Superior Colliculus Facilitates Occurrence of Express Saccades in Monkeys.
J. Neurophysiol. 82: 1642-1646, 1999

Kobayashi Y, Kawano K, Takemura A, Inoue Y, Kitama T, Gomi H, Kawato M
Temporal Firing Patterns of Purkinje Cells in the Cerebellar Ventral Paraflocculus During Ocular Following Responses in Monkeys. II. Complex Spikes.
J. Neurophysiol 80: 832-848, 1998

Yamamoto K, Kobayashi Y, Kawano K, Takemura A, Kawato M
A mathematical model that reproduces vertical ocular following responses from visual stimuli by reproducing by simple spike firing frequency of Purkinje cells in the cerebellum.
Neurosci Res 29: 161-169, 1997

Murakami F, Kobayashi Y, Uratani T, Tamada A
Individual corticorubral neurons project bilaterally during postnatal development and following early contralateral cortical lesions.
Exp Brain Res 96: 181-193, 1993

Song WJ, Kobayashi Y, Murakami F:
An electrophysiological study of a transient ipsilateral interpositorubral projection in neonatal cats.
Exp Brain Res 92: 399-406, 1993