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Título
Response Inhibition as a Function of Movement Complexity and Movement Type Selection
Autor(es)
Materia
Response inhibition
Motor complexity
Simon effect
Delta-plots
Kinematic errors
Clasificación UNESCO
61 Psicología
Fecha de publicación
2018
Citación
Gálvez-García G, Albayay J, Rehbein L, Bascour-Sandoval C and Michael GA (2018) Response Inhibition as a Function of Movement Complexity and Movement Type Selection. Front. Psychol. 9:2290. doi: 10.3389/fpsyg.2018.02290
Resumen
[EN]This study aims to determine whether response inhibition shows the same degree of
effectiveness for two sources of motor complexity: (1) Movement complexity, which is
measured through two actions with different motor requirements (simple lifting action
vs. complex reaching action), and (2) Movement type selection, which is measured in
movements performed separately (no active-movement type selection) vs. selectively
(active-movement type selection). Activation–suppression model was tested in three
experiments to measure activation of the preponderant responses and subsequent
suppression in a Simon task. More errors and higher magnitude of congruence
effect (which reflects greater effectiveness of response suppression) were expected
for more difficult motor conditions. Reaction time, movement time, kinematic errors,
and movement errors were recorded. Results of Experiment 1, in which movement
type selection was not active, showed that both movements did not differ in their
activation and suppression, as they presented similar kinematic error rates and Simon
effects. Experiment 2, in which movement type selection was active, resulted in a
higher kinematic error rate and higher magnitude of Simon effect in lifting. These
results were confirmed in Experiment 3, in which participants performed all experimental
motor complexity conditions. Finally, Experiment 4 showed that responses with similar
movement complexity did not differ in their activation and suppression, even when
movement type selection was active. Thus, the present study provides evidence on the
varying effectiveness of response inhibition as a function of movement complexity, but
only in demanding situations in which movement type selection is active. These results
can be attributed to a top-down strategy to minimize error for actions most prone to
develop kinematic error.
URI
DOI
10.3389/fpsyg.2018.02290
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