title: A quantitative study of the "closing-in" symptom in normal children and in brain-damaged patients.
mesh_terms: D000367:Age Factors; D001072:Apraxias; D001925:Brain Damage, Chronic; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003704:Dementia; D006236:Handwriting; D006801:Humans; D007100:Imitative Behavior; D013028:Space Perception