We tested the hypothesis that our ability to detect fine kinematics variations is tuned to reveal more subtle differences when the motion pattern belongs to the observer compared to another individual. To this purpose, we analyzed the responses of 15 subjects in a same-different task on pairs of movements, which could belong to one or two different subjects. Self vs. Other comparisons were obtained by presenting both the observer's and another participant's kinematics. Subjects responded faster and more accurately when they observed their own gestures compared to movements of another participant. In the latter case, slight kinematic differences were more likely to remain undetected. These findings are discussed within an ecological framework: in observing others, we are more concerned with detection of goals and intentions, i.e., outstanding variations in motion patterns. Conversely, in self-observation detection of more subtle differences is required to facilitate learning and optimization of motor acts. (c) 2006 Elsevier Inc. All rights reserved.

Daprati, E., Wriessnegger, S., Lacquaniti, F. (2007). Knowledge of one's kinematics improves perceptual discrimination. CONSCIOUSNESS AND COGNITION, 16(1), 178-188 [10.1016/j.concog.2006.03.001].

Knowledge of one's kinematics improves perceptual discrimination

DAPRATI, ELENA;LACQUANITI, FRANCESCO
2007-01-01

Abstract

We tested the hypothesis that our ability to detect fine kinematics variations is tuned to reveal more subtle differences when the motion pattern belongs to the observer compared to another individual. To this purpose, we analyzed the responses of 15 subjects in a same-different task on pairs of movements, which could belong to one or two different subjects. Self vs. Other comparisons were obtained by presenting both the observer's and another participant's kinematics. Subjects responded faster and more accurately when they observed their own gestures compared to movements of another participant. In the latter case, slight kinematic differences were more likely to remain undetected. These findings are discussed within an ecological framework: in observing others, we are more concerned with detection of goals and intentions, i.e., outstanding variations in motion patterns. Conversely, in self-observation detection of more subtle differences is required to facilitate learning and optimization of motor acts. (c) 2006 Elsevier Inc. All rights reserved.
2007
Pubblicato
Rilevanza internazionale
Articolo
Sì, ma tipo non specificato
Settore BIO/09 - FISIOLOGIA
English
Con Impact Factor ISI
Biological motion; Kinematic pattern; Movement discrimination; Observational learning; Self
Daprati, E., Wriessnegger, S., Lacquaniti, F. (2007). Knowledge of one's kinematics improves perceptual discrimination. CONSCIOUSNESS AND COGNITION, 16(1), 178-188 [10.1016/j.concog.2006.03.001].
Daprati, E; Wriessnegger, S; Lacquaniti, F
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/36767
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