This page contains demos of the study "Causal actions enhance percpetion of continuous body movements". You need Quick Time player and QT browser plugins to view the movies.

Two-agent videos (Exp 1)

Video 1:

The two actors are demonstrating a causal interaction and the catcher's limb movements are presented in the short-SOA condition. Participants tend to perceive smooth motion of the cacher.

Video 2:

The two actors are demonstrating a non-causal interaction and the catcher's limb movements are presented in the short-SOA condition. Participants tend to perceive relatively less smooth motion of the cacher.

Video 3:

The two actors are demonstrating a causal interaction and the catcher's limb movements are presented in the long-SOA condition. Participants tend to perceive smooth motion of the cacher.

Video 4:

The two actors are demonstrating a non-causal interaction and the catcher's limb movements are presented in the long-SOA condition. Participants tend to perceive sudden motion of the cacher.

 

Two-agent with occluder videos (Exp 2)

Video 1:

The two actors are demonstrating a causal interaction and the catcher's limb movements are presented in the short-SOA condition. Participants tend to perceive smooth motion of the cacher.

Video 2:

The two actors are demonstrating a non-causal interaction and the catcher's limb movements are presented in the short-SOA condition. Participants tend to perceive relatively less smooth motion of the cacher.

Video 3:

The two actors are demonstrating a causal interaction and the catcher's limb movements are presented in the long-SOA condition. Participants tend to perceive smooth motion of the cacher.

Video 4:

The two actors are demonstrating a non-causal interaction and the catcher's limb movements are presented in the long-SOA condition. Participants tend to perceive sudden motion of the cacher.

Single-actor videos (Exp 3)

Video 1:

The actor is demonstrating a causal interaction with the ball and the person's limb movements are prsented in the short-SOA condition. Participants tend to perceive smooth motion of the cacher.

 

Video 2:

The actor is demonstrating a non-causal interaction with the ball and the person's limb movements are presented in the short-SOA condition. Participants tend to perceive relatively less smooth motion of the cacher.

Video 3:

The actor is demonstrating a causal interaction with the ball and the person's limb movements are presented in the long-SOA condition. Participants tend to perceive smooth motion of the cacher.

Video 4:

The actor is demonstrating a non-causal interaction with the ball and the person's limb movements are presented in the long-SOA condition. Participants tend to perceive sudden motion of the cacher.