Individual variability in the cytoarchitectonics of anterior limbic field 24 in the human brain.

The aim of the present work was to identify the main cytoarchitectonic characteristics of individual variability in anterior limbic field 24 in the left and right hemispheres of the human brain using state-of-the-art morphometric analysis methods. Computerized morphometric analysis was used to measure neuron profile areas in layers III and V of subfield 24c of the anterior limbic area of the cortex of the human brain, with assessment of the percentage composition of neurons in terms of this parameter, along with the total neuron fraction (proportion of microscope field occupied by neurons). These studies demonstrated significant individual variability in these characteristics, with asymmetry in the left and right hemispheres. Values for these parameters were large and had the greatest level of variability in associative layer III of the right hemisphere.