| dc.description | The aim of this research was to investigate whether
the selection of the actions needs different inhibition processes during
the response selection stage. In Experiment 1, we compared the
magnitude of the Spatial Stroop effect, which occurs in response
selection stage, in two motor actions (lifting vs reaching) when the
participants performed both actions in the same block or in different
blocks (mixed block vs. pure blocks).Within pure blocks, we
obtained faster latencies when lifting actions were performed, but no
differences in the magnitude of the Spatial Stroop effect were
observed. Within mixed block, we obtained faster latencies as well as
bigger-magnitude for Spatial Stroop effect when reachingactions
were performed. We concluded that when no action selection is
required (the pure blocks condition), inhibition works as a unitary
system, whereas in the mixed block condition, where action selection
is required, different inhibitory processes take place within a common
processing stage. In Experiment 2, we investigated this common
processing stage in depth by limiting participants’ available
resources, requiring them to engage in a concurrent auditory task
within a mixed block condition. The Spatial Stroop effect interacted
with Movement as it did in Experiment 1, but it did not significantly
interact with available resources (Auditory task x Spatial Stroop
effect x Movement interaction). Thus, we concluded that available
resources are distributed equally to both inhibition processes; this
reinforces the likelihood of there being a common processing stage in
which the different inhibitory processes take place.
Keywords—inhibition process, motor processes. selective
inhibition, dual task
G.G.G. Author is with the Departamento de Psicología, Universidad de la
Frontera. Chile, and Département de Psychologie Cognitive &
Neuropsychologie, Institut de Psychologie, Laboratoire d’Étude des
Mécanismes Cognitifs, Université Lyon 2, Lyon, France (e-mail:
german.galvez@ufrontera.cl).
J.A. Author is with the Departamento de Psicología, Universidad de la
Frontera. Chile (e-mail: j.albayay91@gmail.com).
J.P. Author is with the Departamento de Psicología, Universidad de la
Frontera. Chile (e-mail: javiera.pena@ufrontera.cl).
M.L. Author is with the Departamento de Psicología, Universidad de la
Frontera. Chile (e-mail: marta.ls.@ufronteral.cl).
G.A.M Author is with the Département de Psychologie Cognitive &
Neuropsychologie, Institut de Psychologie, Laboratoire d’Étude des
Mécanismes Cognitifs, Université Lyon 2, Lyon, France
George.Michael@univ-lyon2.fr). | |
