Dictionary of Biological Psychology
The area of FRONTAL CORTEX of the MEDIAL WALL in rats, with reciprocal connections with DORSOMEDIAL NUCLEUS OF THE THALAMUS and possibly homologous to DORSOLATERAL PREFRONTAL CORTEX in PRIMATES. The precise extent of rodent medial prefrontal cortex is disputed. Many authors (e.g.
Paxinos & Watson, 1997) would include both PRELIMBIC CORTEX (PrL) and CINGULATE CORTEX (Cg1–2). Infralimbic cortex, although lacking a distinct laminar structure (see LAMINA) and having only weak connections with dorsomedial nucleus of the thalamus, nevertheless shares some characteristics of PREFRONTAL CORTEX and may be included. SHOULDER CORTEX would not be included: it also has dorsomedial nucleus connections but this area is regarded as homologous to primate secondary motor cortex and FRONTAL EYE FIELDS.
Reference
Paxinos G. & Watson C. (1997) The Rat Brain in Stereotaxic Coordinates, compact 3rd edn, Academic Press: San Diego.
VERITY J.BROWN
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