Table 1.

Thalamocortical network connection architecture

Connection typeSynapse typeConnection probability (L1, L2)
TC–REAMPA10%, 20%
RE–TCGABAA, GABAB10%, 20%
RE–REGABAA6.25%, 12.5%
PY–REAMPA10%, 20%
PY–TCAMPA12.5%, 25%
TC–PYAMPA10%, 20%
PY(L1)–PY(L2)AMPA (plastic), NMDA20%
PY(L2)–PY(L2)AMPA (plastic), NMDA50%
PY(L2)–PY(L1)AMPA25%
IN–PY(L1)GABAA2 connections
IN–PY(L2)GABAA13 connections
PY(L1)–INNMDA, AMPA3.75%, 7.5%
PY(L2)–INNMDA, AMPA5%, 10%
TC–INAMPA5%, 50%