Cerebellar climbing fibers multiplex movement and reward signals during a voluntary movement task in mice

K Ikezoe, N Hidaka, S Manita, M Murakami… - Communications …, 2023 - nature.com
Cerebellar climbing fibers convey sensorimotor information and their errors, which are used
for motor control and learning. Furthermore, they represent reward-related information …

Dynamic organization of cerebellar climbing fiber response and synchrony in multiple functional components reduces dimensions for reinforcement learning

H Hoang, S Tsutsumi, M Matsuzaki, M Kano, M Kawato… - Elife, 2023 - elifesciences.org
Cerebellar climbing fibers convey diverse signals, but how they are organized in the
compartmental structure of the cerebellar cortex during learning remains largely unclear. We …

Predictive and reactive reward signals conveyed by climbing fiber inputs to cerebellar Purkinje cells

D Kostadinov, M Beau, M Blanco-Pozo… - Nature neuroscience, 2019 - nature.com
There is increasing evidence for a cerebellar contribution to cognitive processing, but the
specific input pathways conveying this information remain unclear. We probed the role of …

Modular organization of cerebellar climbing fiber inputs during goal-directed behavior

S Tsutsumi, N Hidaka, Y Isomura, M Matsuzaki… - Elife, 2019 - elifesciences.org
The cerebellum has a parasagittal modular architecture characterized by precisely
organized climbing fiber (CF) projections that are congruent with alternating aldolase …

Coordinated cerebellar climbing fiber activity signals learned sensorimotor predictions

W Heffley, EY Song, Z Xu, BN Taylor, MA Hughes… - Nature …, 2018 - nature.com
The prevailing model of cerebellar learning states that climbing fibers (CFs) are both driven
by, and serve to correct, erroneous motor output. However, this model is grounded largely in …

Climbing fibers provide graded error signals in cerebellar learning

Y Zang, E De Schutter - Frontiers in Systems Neuroscience, 2019 - frontiersin.org
The cerebellum plays a critical role in coordinating and learning complex movements.
Although its importance has been well recognized, the mechanisms of learning remain hotly …

Cerebellar climbing fibers encode expected reward size

N Larry, M Yarkoni, A Lixenberg, M Joshua - elife, 2019 - elifesciences.org
Climbing fiber inputs to the cerebellum encode error signals that instruct learning. Recently,
evidence has accumulated to suggest that the cerebellum is also involved in the processing …

Sensory-driven enhancement of calcium signals in individual Purkinje cell dendrites of awake mice

F Najafi, A Giovannucci, SSH Wang, JF Medina - Cell reports, 2014 - cell.com
Climbing fibers (CFs) are thought to contribute to cerebellar plasticity and learning by
triggering a large influx of dendritic calcium in the postsynaptic Purkinje cell (PC) to signal …

Classical conditioning drives learned reward prediction signals in climbing fibers across the lateral cerebellum

W Heffley, C Hull - elife, 2019 - elifesciences.org
Classical models of cerebellar learning posit that climbing fibers operate according to a
supervised learning rule to instruct changes in motor output by signaling the occurrence of …

Transmission of predictable sensory signals to the cerebellum via climbing fiber pathways is gated during exploratory behavior

CL Lawrenson, TC Watson, R Apps - Journal of Neuroscience, 2016 - Soc Neuroscience
Pathways arising from the periphery that target the inferior olive [spino-olivocerebellar
pathways (SOCPs)] are a vital source of information to the cerebellum and are modulated …