Unifying the sensory and motor components of sensorimotor adaptation Poster ID: T11
Adrian Haith, Carl Jackson, Chris Miall, Sethu Vijayakumar
disturbances

· Bayesian mo del of reach adaptation ­ Multiple modalities ­ Sensory and motor sources of error · Hyp othesis: Adaptation = Inference

{

v rt y rt p rt

v rt+1 y rt+1 p rt+1

motor command

ut

ut+1

hand position

yt

yt+1

visual observation

vt

pt

vt+1

pt+1

proprioceptive observation

Trial t

Trial t + 1

Performance Error / cm

1 0 -1 -2 0 100

Visual Adaptation / cm

· Novel prediction: Force field exposure will lead to sensory as well as motor adaptation · Experimentally tested and compared with alternative models

data

previous models
4 2 0 -2

our model

0

100

Trial Number

Trial Number