Oh. Turnbull et Md. Lucas, IS THE LEFTWARD CRADLING BIAS RELATED TO LATERAL ASYMMETRIES IN ATTENTION, The Journal of genetic psychology, 157(2), 1996, pp. 161-167
A recent explanation for human females' strong leftward preference whe
n cradling infants in nonfeeding interactions relies on the neuropsych
ological variable of hemispheric asymmetry of function. Normal individ
uals also tend to bisect lines to the left of center, a tendency proba
bly related to asymmetries in the cerebral attentional system. A possi
ble relationship between this attentional asymmetry and left-sided cra
dling was investigated in two experiments. The well-established findin
gs of a leftward cradling bias and of a leftward line bisection bias w
ere replicated. However, there was no significant relationship between
the two variables.