Motor behaviour is controlled by a large set of interacting neural structures, subserving the different components involved in hierarchical motor processes. Few studies have investigated the neural substrate of higher-order motor ideation, i.e. the mental operation of conceiving a movement. The aim of this functional magnetic resonance imaging study was to segregate the neural structures involved in motor ideation from those involved in movement choice and execution. An index finger movement paradigm was adopted, including three different conditions: performing a pre-specified movement, choosing and executing a movement and ideating a movement of choice. The tasks involved either the right or left hand, in separate runs. Neuroimaging results were obtained by comparing the different experimental conditions and computing conjunction maps of the right and left hands for each contrast. Pre-specified movement execution was supported by bilateral fronto-parietal motor regions, the cerebellum and putamen. Choosing and executing finger movement involved mainly left fronto-temporal areas and the anterior cingulate. Motor ideation activated almost exclusively left hemisphere regions, including the inferior, middle and superior frontal regions, middle temporal and middle occipital gyri. These findings show that motor ideation is controlled by a cortical network mainly involved in abstract thinking, cognitive and motor control, semantic and visual imagery processes.

Brain Activation Patterns Characterizing Different Phases of Motor Action: Execution, Choice and Ideation / Gardini, Simona; Venneri, Annalena; Mcgeown, William Jonathan; Toraci, Cristian; Nocetti, Luca; Porro, Carlo Adolfo; Caffarra, Paolo. - In: BRAIN TOPOGRAPHY. - ISSN 0896-0267. - STAMPA. - 29:5(2016), pp. 679-692. [10.1007/s10548-016-0491-5]

Brain Activation Patterns Characterizing Different Phases of Motor Action: Execution, Choice and Ideation

GARDINI, Simona;VENNERI, Annalena;NOCETTI, LUCA;PORRO, Carlo Adolfo;
2016

Abstract

Motor behaviour is controlled by a large set of interacting neural structures, subserving the different components involved in hierarchical motor processes. Few studies have investigated the neural substrate of higher-order motor ideation, i.e. the mental operation of conceiving a movement. The aim of this functional magnetic resonance imaging study was to segregate the neural structures involved in motor ideation from those involved in movement choice and execution. An index finger movement paradigm was adopted, including three different conditions: performing a pre-specified movement, choosing and executing a movement and ideating a movement of choice. The tasks involved either the right or left hand, in separate runs. Neuroimaging results were obtained by comparing the different experimental conditions and computing conjunction maps of the right and left hands for each contrast. Pre-specified movement execution was supported by bilateral fronto-parietal motor regions, the cerebellum and putamen. Choosing and executing finger movement involved mainly left fronto-temporal areas and the anterior cingulate. Motor ideation activated almost exclusively left hemisphere regions, including the inferior, middle and superior frontal regions, middle temporal and middle occipital gyri. These findings show that motor ideation is controlled by a cortical network mainly involved in abstract thinking, cognitive and motor control, semantic and visual imagery processes.
12-apr-2016
29
5
679
692
Brain Activation Patterns Characterizing Different Phases of Motor Action: Execution, Choice and Ideation / Gardini, Simona; Venneri, Annalena; Mcgeown, William Jonathan; Toraci, Cristian; Nocetti, Luca; Porro, Carlo Adolfo; Caffarra, Paolo. - In: BRAIN TOPOGRAPHY. - ISSN 0896-0267. - STAMPA. - 29:5(2016), pp. 679-692. [10.1007/s10548-016-0491-5]
Gardini, Simona; Venneri, Annalena; Mcgeown, William Jonathan; Toraci, Cristian; Nocetti, Luca; Porro, Carlo Adolfo; Caffarra, Paolo
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1108119
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