Table 3.

Qualitative assessment of the cytoarchitecture in the autism cases in the posterior cingulate cortex. An asterisk (*) indicates a history of seizure

	3845*	3511	4414*	2431	3916	4099	3711*	4999
Layer I	Increased neurons
Layer II		Large neurons, irregular distribution of neurons
Layer III	Appears to be increased cell packing density relative to controls	Small neurons, irregular distribution of neurons
Layer IV			Not well defined	Not well defined	Not well defined			Not well defined
Layer V		Irregular distribution of neurons	Irregular distribution of neurons	Irregular distribution of neurons; not clearly demarcated from layer IV			Not clearly demarcated from layer IV
Layer VI
White Matter			Increased neurons	Increased neurons		Increased neurons