Chapter 9 Vocab Flashcards
Prehension
The grasping of an object, usually with the hand or hands
Body scaling
Adapting characteristics of the task or environment to the overall body size or to the size of a body component
Coincidence-anticipation tasks
Motor skills in which one anticipates the completion of a movement to coincide with the arrival of a moving object
Affordance
Action or behavior permitted for an actor by the places, objects, and events in an environment; it is often related to the relative sizes of the actor and the objects
Invariance
Stability in the kinematic values of a set of movement (keeping patterns in the environment constant
Optic array
The visual picture falling on our retinas as we approach an object or as a moving object approaches us