The impact of unilateral brain damage on weight perception, sensorimotor anticipation, and fingertip force adaptation.

摘要: Abstract Damage to the left parietal cortex can lead apraxia – a selective deficit in tool use and action planning. There is conflicting evidence as whether this disorder affects more fundamental motor parameters, such applying appropriate forces lift objects based upon how heavy they look. Here we examined individuals with right-lateralized brain damage perceive weight of same mass which vary their size material properties. No clear differences emerged between groups terms visual properties affected perceptions object or initial application grip load forces. was, however, some that unilateral injury impaired cues for parameterization