Lateralization of brain function: Difference between revisions

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In the [[sense of touch]], most of the neurons from the skin cross to project to the [[somatosensory cortex]] of the opposite hemisphere.
 
Because of this functional division of the left and right sides of the body and of the space that surrounds it, the processing of information in the sensory cortices is essentially identical. That is, the processing of visual and auditory stimuli, spatial manipulation, [[face perception|facial perception]], and artistic ability are represented bilaterally.<ref name = Beaumont /> Numerical estimation, comparison and online calculation depend on bilateral parietal regions<ref name=Dehaene2>{{cite journal |last1=Dehaene |first1=S. |last2=Spelke |first2=E. |last3=Pinel |first3=P. |last4=Stanescu |first4=R. |last5=Tsivkin |first5=S. |title=Sources of Mathematical Thinking: Behavioral and Brain-Imaging Evidence |journal=Science |date=7 May 1999 |volume=284 |issue=5416 |pages=970–974 |doi=10.1126/science.284.5416.970 |pmid=10320379 |bibcode=1999Sci...284..970D }}</ref><ref name=Dehaene2003>{{cite journal |last1=Dehaene |first1=Stanislas |last2=Piazza |first2=Manuela |last3=Pinel |first3=Philippe |last4=Cohen |first4=Laurent |title=Three Parietal Circuits for Number Processing |journal=Cognitive Neuropsychology |date=May 2003 |volume=20 |issue=3–6 |pages=487–506 |doi=10.1080/02643290244000239 |pmid=20957581 }}</ref> while exact calculation and fact retrieval are associated with left parietal regions, perhaps due to their ties to linguistic processing.<ref name="Dehaene2" /><ref name="Dehaene2003" />
 
===Value systems===