Revisiting disconnection syndromes

Using brain imaging to reevaluate psychology’s three most famous cases

It’s 50 years since the American neurologist Norman Geschwind published his hugely influential Disconnexion Syndromes in Animals and Man, in which he argued that many brain disorders and injuries could best be understood in terms of the damage incurred to the white-matter pathways connecting different areas of the brain. To mark this anniversary, an international team of researchers has used modern brain imaging techniques to reveal, in an open-access article for Cerebral Cortex, the likely damage to brain connectivity suffered by three of psychology’s most famous cases: the 19th century rail worker Phineas Gage, who survived an iron rod passing through his brain ….[READ]

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