
1) Cerebrum
Found on
https://www.crosswordclues.com/clue/microgyrus

A microgyrus is an area of the cerebral cortex that includes only four cortical layers instead of six. Microgyria are believed by some to be part of the genetic lack of prenatal development which is a cause of, or one of the causes of, dyslexia. Albert Galaburda of Harvard Medical School noticed that language centers in dyslexic brains showed micr...
Found on
http://en.wikipedia.org/wiki/Microgyrus

(mi″kro-ji´rәs) an abnormally small, malformed convolution of the brain.
Found on
http://www.encyclo.co.uk/local/21001
No exact match found.