摘要: Publisher Summary The chapter discusses fragments of the mind and brain. If left bias for holding infants looked simple at start—little more than a product handedness—it has proven to be less closer one looks. For collaborators other investigators, it also far interesting taken them into domains theory research where never expected go. role handedness still needs careful study. It is suggested that left-handers' weaker left-holding-side might reflect their left-attentional bias. left-handers as group are varied, or heterogeneous, right-handers. Left-handers' therefore contribution certain left-handed subgroups others. As posture, modest evidence relating ‘balance’ arm position side holding, but understand what comfort naturalness mean act holding. explains how sex holder contributes