Developmental changes for hemispheric specialization of tactile recognition by normal children

Area of Science:

• Neuroscience
• Developmental Psychology

Background:

• Tactile perception and spatial processing are crucial cognitive functions.
• Understanding the developmental trajectory of sensory specialization is important in child development.

Purpose of the Study:

• To investigate the development of tactile-spatial ability in children.
• To determine if there is hemispheric specialization for tactile-spatial processing in middle childhood.

Main Methods:

• 42 typically developing children aged 8–12 years participated.
• Participants identified tactile stimuli presented within a visual display.

Main Results:

• Children demonstrated the ability to identify tactile stimuli.
• Left-hand performance, indicative of right hemisphere processing, improved with age.

Conclusions:

• The right hemisphere shows specialization for tactile-spatial ability.
• This specialization emerges and develops throughout middle childhood.