@article {PUBA283,
	title = {Grasp posture planning during multi-segment object manipulation tasks -interaction between cognitive and biomechanical factors},
	author = {Christian Seegelke AND Charmayne Hughes AND Andreas Knoblauch AND Thomas Schack},
	year = {2013},
	abstract = {The present study examined the planning of initial grasp postures during a multi-segment object manipulation. Participants performed a grasping and placing task that consisted of one, two, or three movement segments. The position of the targets was manipulated such that the degree of object rotation between the home and temporally proximal position, and between the temporally proximal and distal target position varied. There were four main findings. First, movement initiation time and approach time increased with the number of segments and the required degree of object rotation. Second, participants selected initial grasp postures based on specific requirements of the temporally proximal and temporally distal action segments. Third, adjustments in initial grasp posture depended on the temporal order of target location. Forth, initial grasp postures were influenced to a larger extent by the demands of the temporally proximal segment during the initial stages of the experimental session. However, over time, participants overcame these cognitive limitations and adjusted their initial grasp postures more strongly to the requirements of the temporally distal segment. Taken together, these results indicate that grasp posture planning is influenced by cognitive and biomechanical factors, and that participants learn to integrate the task demands of temporally distal task demands, which we hypothesize, reduces the burden on the CNS. },
	publisher = {Elsevier},
	journal = {Acta Psychologica},
	volume = {144},
	pages = {513-521}
}