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ERIC Number: EJ916942
Record Type: Journal
Publication Date: 2011-Jun
Pages: 14
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0022-0965
EISSN: N/A
Available Date: N/A
Ten- and Twelve-Month-Olds' Visual Anticipation of Orientation and Size during Grasping
Schum, Nina; Jovanovic, Bianca; Schwarzer, Gudrun
Journal of Experimental Child Psychology, v109 n2 p218-231 Jun 2011
The anticipation of two object dimensions during grasping was investigated in 10- and 12-month-olds. We presented objects varying in both orientation and size and analyzed infants' anticipatory hand configurations. We found in Experiment 1 that nearly all of the 12-month-olds (94%), but less than half of the 10-month-olds (40%), anticipated both dimensions before touching the object. Experiment 2 ruled out the possibility that this behavior resulted from the infants' inability to anticipate the size of the stimuli. Thus, integrating two object dimensions during reaching seems to be difficult for 10-month-olds. In addition, we found a sequential adjustment when two dimensions were considered: Infants first adjusted the orientation and then the size. The implications of our findings concerning the planning and execution of grasping movements are discussed. (Contains 1 table and 3 figures.)
Elsevier. 6277 Sea Harbor Drive, Orlando, FL 32887-4800. Tel: 877-839-7126; Tel: 407-345-4020; Fax: 407-363-1354; e-mail: usjcs@elsevier.com; Web site: http://www.elsevier.com.bibliotheek.ehb.be
Publication Type: Journal Articles; Reports - Research
Education Level: Early Childhood Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A
Author Affiliations: N/A