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Robust and adaptive reaching control in human : modulation of control strategies across contexts

Dehem, Héloïse
(2020)

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Details

Supervisors
Crevecoeur, Frédéric
Faculty
Ecole polytechnique de Louvain
Degree label
Master [120] : ingénieur civil en mathématiques appliquées
Abstract
This master thesis investigates the modulation of the control strategy used by the central nervous system (CNS) during human reaching movements across contexts. An experiment was conducted to analyse the changes in robust and adaptive control across changes in environment uncertainty. Seven participants took part in the experiment and were asked to perform reaching movements, called trials, in two different contexts. During both parts of the experiment, participants were told that their hand movements would be perturbed during random trials. The two parts of the experiment differed in environment uncertainty, i.e. in the number and types of perturbations applied during random trials. We discovered that a more robust strategy is used in a less predictable context, at the expense of adaptation.