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J Neurosci Methods. 2012 Jun 30;208(1):48-58. doi: 10.1016/j.jneumeth.2012.04.001. Epub 2012 Apr 24.

Measuring adaptation with a sinusoidal perturbation function.

Author information

1
Department of Psychology and Center for Neural Science, New York University, New York, NY 10003, United States. hudson@cns.nyu.edu

Abstract

We examine the possibility that sensory and motor adaptation may be induced via a sinusoidally incremented perturbation. This sinewave adaptation method provides superior data for fitting a parametric model than when using the standard step-function method of perturbation, due to the relative difficulty of fitting a decaying exponential vs. a sinusoid. Using both experimental data and simulations, we demonstrate the difficulty of detecting the presence of motor adaptation using a step-function perturbation, compared to detecting motor adaptation using our sinewave perturbation method.

PMID:
22565135
PMCID:
PMC3612424
DOI:
10.1016/j.jneumeth.2012.04.001
[Indexed for MEDLINE]
Free PMC Article
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