among these are new motor acts and stereotyped movements ( successive movements of head , eye , arm , and hand ) , reversal and reorganization of the sequence of the motor acts to form new patterns ( head and eye movements upward or downward ) , construction of a particular cognitive image of the astronaut 's own world ( more compensatory regulations than anticipatory processes ) , and the relationship between postures and orientations according to the proximate visual environment .
C0015392
eye
C0018670
head