Imagery and observation are multicomponential, involving individual difference characteristics that modify the processes. The authors propose that both imagery and observation function by offering effective routes to access and reinforce neural networks for skilled performance. The neural isomorphism with overt behaviors offers a tempting mechanism to explain the beneficial outcomes of the 2 processes. However, several limitations related to imagery indicate the possibility that imagery may not be as efficacious as the literature would indicate. The authors propose observation-based approaches to offer more valid and effective techniques in sport psychology and motor control.
The authors' aim in this study was to consider the functional equivalence of internal imagery, external imagery, and action execution. Sixteen elite gymnasts imaged and performed a complex gymnastic vault. Ten performers imaged from an internal perspective, and 6 used an external perspective. Although the results revealed that the time to image the entire motor task did not significantly differ from the time required to physically perform it, irrespective of the imagery perspective used, the temporal organization of the action was different within the imagery conditions than it was in the physical condition. The results do not provide support for the principle of temporal functional equivalence. The authors discuss the results in light of recent findings from the cognitive neuroscience and psychology literatures.
In this experiment, differences in the temporal organization of routines in artistic gymnastics executed under mental and physical conditions were examined. Twelve elite female gymnasts performed their floor routines mentally, then performed the same routines physically. On each of three days, the performance was filmed, and the durations of the mental and actual routines were timed. The results showed that mental movement times were shorter than physical routine times. It was concluded that the speed of visualization depends on the situation in which the gymnasts visualize as well as on the function that the athlete attributes to the use of imagery. We observed a trend when comparing the different stages of the relative duration of mental and actual routines. If confirmed, we hypothesized that the lengthening of the relative duration of certain stages under mental conditions could be linked to the perceived difficulty of the gymnastics elements.
The aim of this study was to test the validity of mirror neuron activity in humans through analysis of electroencephalographic (EEG) functional connectivity during an action not directed towards an object. We investigated changes in EEG interchannel synchronization prior to and during action execution and also prior to and during observation of the same action. Twelve participants observed a simple finger movement sequence. In a second testing session they physically executed the movement. EEGs were recorded from 19 active sites across the cortex. Activity was considered in four frequency bands (7-10 Hz, 10-13 Hz, 13-20 Hz, and 20-30 Hz) using a new measure: synchronization likelihood. This technique considers rapid changes in signal synchronization and spatiotemporal patterns of coherence. The results revealed no statistically significant difference in synchronization likelihood between the observation and execution data. We found an increase in synchronization over a broad frequency range during task processing and suggest that this may reflect interregional cortical coupling of intricately and hierarchically interconnected networks that are active in a similar way during both observation and execution of a movement. While EEG may be insensitive to differences present during the observation and execution of a movement, the results of the present study shed some light on the general mechanisms of cognitive integration.
International audienceThis study examined the effectiveness of an imagery training program in improving national softball players' selective attention. A multiple-baseline design across individuals was used. There were four participants. One remained at baseline, while the other three spent 10 min a day practicing an audio-taped imagery program composed of 28 sessions. Measures of selective attention were collected via a baseball/softball batting specific version stemming from Nideffer's (1976) Test of Attentional and Interpersonal Style (TAIS). The results demonstrated that the imagery training program generally enhanced the ability of softball players to integrate external stimuli without being overloaded with them and to narrow attention. Results were discussed in relation to the usefulness of multiple-baseline designs for investigating individual differences among elite athletes. Practical pedagogical considerations for coaching are proposed
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