Performance comparison between right-handers and left-handers in a Brazilian sample of the Developmental Neuropsychological Assessment

Comparação de desempenho entre destros e canhotos em uma amostra brasileira da "A Developmental Neuropsychological Assessment"

Studies that investigate handedness are performed in order to relate hemispheric specialization and cognitive performance. The aim of study was compare the neuropsychological performance between right-handed and left-handed children with ages from five to six years who participated in the Brazilian study of standardization of the Developmental Neuropsychological Assessment. For analysis of socio-demographic characteristics, descriptive statistics were used. To compare the mean scores between the groups, normality was tested using Analysis of Variance (one-way Anova) and the Kruskal-Wallis test. When comparing right-handed and left-handed children with typical development, left-handed children presented poorer performance on the subtests involving Attention and Executive Functioning, Language, and Learning and Memory.

Functional laterality; Manual preference; Neuropsychology