Fig. 9.

Simplified scheme of two limbic circuits: regulatory and informational (adopted from Vinogradova 2001). Only principal connections are shown. AVT—antero-ventral nucleus of thalamus; CA1 and CA3—hippocampal fields; cing—cingulum; FD—fascia dentate; F.pre—fornix precomissuralis; F.post—fornix postcomissuralis; EC—entorhinal cortex; LS—lateral septal nucleus; MFB—medial forebrain bundle; mossy—mossy fibre; MS-DB—medial septal nucleus and nucleus of diagonal band; NC—neocortex; PLC—posterior limbic cortex; PP—perforant path; RF—reticular formation; mR—median raphe nucleus; SC—schaffer collaterals; SUB—subiculum. New powerful reciprocal connections of CA1 with MS added (see dashed lines) according to Takács et al. (2008), as well as well known projections from CA1 to LS according to Risold and Swanson (1996)