PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17632185-10 2007 The study indicates that galantamine and risperidone may have synergistic effect on the cognitive impairments in schizophrenia patients by synergistically promoting the nAChR activation-dependent increase of dopamine D1 receptor-mediated neurotransmission. Galantamine 25-36 dopamine receptor D1 Homo sapiens 208-228