This study examined the practice-related sensitivity of automatic change detection. The visual mismatch negativity (vMMN) component of event-related potentials was compared in handball players and in sport shooters. Whereas effective performance in handball requires processing of a wide visual field, effective performance in shooting requires concentration to a narrow field. Thus, we hypothesized larger sensitivity to peripheral stimuli violating the regularity of sequential stimulation in handball players. Participants performed a tracking task, while task-irrelevant checkerboard patterns (a frequent and an infrequent type) were presented in the lateral parts of the visual field. We analyzed the vMMN, a signature of automatic detection of violating sequential regularity, and sensory components (P1, N1, and P2). We obtained larger vMMN in the handball players’ group indicating larger sensitivity to peripheral stimuli. These results suggest the plasticity of the automatic visual processing, i.e., it can adapt to sport-specific demands, and this can be captured even in a short experimental session in the laboratory.
THE PURPOSE OF THIS ANALYSIS IS TO DETERMINE WHETHER THERE IS A LEFT FOOT ADVANTAGE IN SOCCER PERFORMANCE. THE OUTCOME OF THE REVIEWED ARTICLES SUGGESTS THAT THERE IS A LEFT FOOT ADVANTAGE IN SOCCER, NO MATTER HOW SMALL THAT MAY BE. NEVERTHELESS, THIS CONCLUSION MAY BE TENTATIVE BECAUSE LITTLE WORK WAS CONDUCTED IN THIS AREA AND THE FOCUS IS VERY DIVERSE. THE CURRENT REVIEW RAISES IMPORTANT QUESTIONS FOR FUTURE WORK. THE EXAMINATION OF THE TEMPORAL OCCLUSION PARADIGM AND THE COMPARISON OF SPATIAL ORIENTATIONS AND THE ATTENTIONAL ABILITIES OF RIGHT- AND LEFT-FOOTED SOCCER PLAYERS MAY GENERATE EMPIRICAL WORK IN THE FIELD.
Change blindness experiments had demonstrated that detection of significant changes in natural images is extremely difficult when brief blank fields are placed between alternating displays of an original and a modified scene. On the other hand, research on the visual mismatch negativity (vMMN) component of the event-related potentials (ERPs) identified sensitivity to events (deviants) different from the regularity of stimulus sequences (standards), even if the deviant and standard events are non-attended. The present study sought to investigate the apparent controversy between the experience under the change blindness paradigm and the ERP results. To this end, the stimulus of Rensink, O’Reagen, and Clark (1997) was adapted to a passive oddball ERP paradigm to investigate the underlying processing differences between the standard (original) and deviant (altered) stimuli measured in 22 subjects. Posterior negativity within the 280–330 ms latency range emerged as the difference between ERPs elicited by standard and deviant stimuli, identified as visual mismatch negativity (vMMN). These results raise the possibility that change blindness is not based on the lack of detailed visual representations or the deficiency of comparing two representations. However, effective discrimination of the two scene versions requires considerable frequency differences between them.
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