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. Author manuscript; available in PMC: 2024 Apr 16.
Published in final edited form as: J Cogn Neurosci. 2023 Mar 1;35(3):349–360. doi: 10.1162/jocn_a_01908

Figure 3.

Figure 3.

Fear extinction circuits. (A) Basic extinction circuit centered on the BLA. The contributions of a few key regions are labeled with their putative functional contributions. (B) Extended circuit, with a larger set of brain regions believedtobeinvolved(notintended to becomprehensive). The blue arrows indicate indirect anatomical connectivity. The red arrows indicate the extensive norepinephric projections of the locus coeruleus. HIPP, hippocampus; LC, locus coeruleus; MPFC, medial pFC; THAL, thalamus; VTA, ventral tegmental area.