Effects of left-hand preference on postinjury measures of distal motor ability.

J. Grafman*, M. Smutok, J. Sweeney, S. C. Vance, A. M. Salazar, H. Weingartner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The relationship of preinjury left-hand dominance for motor performance to postinjury distal motor skills following penetrating brain wounds in patients without overt hemiplegia was examined. We studied 13 controls, 13 right-hemisphere brain-damaged patients, and 11 left-hemisphere brain-damaged patients on motor tasks measuring reaction time, strength, and coordination. Our results indicated that no persistent deficits were seen on distal motor tasks in left-handed adults who suffered a penetrating brain wound. These findings are compatible with the relative sparing of persistent neuropsychological deficits in left-handers following brain damage.

Original languageEnglish (US)
Pages (from-to)615-624
Number of pages10
JournalPerceptual and motor skills
Issue number2
StatePublished - Oct 1985

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Sensory Systems


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