PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23418390-3 2013 Using pharmacological and behavioral tools, we found that alpha7-nAChR-mediated cholinergic interactions between the pedunculopontine tegmental nucleus and the medial prefrontal cortex modulate the duration of fear-motivated memories, maybe by regulating the activation state of VTA-hippocampus dopamine connections. Dopamine 295-303 cholinergic receptor nicotinic alpha 4 subunit Homo sapiens 65-70