Fig. 2

Experimental environments. A Real environment; Four horizontal bars were displayed on the screen. When the color of a bar changed from gray to blue, the participants were instructed to press the corresponding button as quickly and accurately as possible. B The participant wore a head-mounted display and sat in a chair at a specific position where they could reach all the targets and the base point easily with minimal arm movement. C Virtual environment; When participants touched the base point with their right virtual hand, the color of target changed from gray to green. The participants were instructed to reach the target as quickly and accurately as possible