Hotspot analysis indicates that research related to PDP has primarily focused on several key areas: neurobiology (such as brain, functional connectivity, and Lewy bodies), therapeutic strategies (including cholinesterase inhibitors, AAPs, pimavanserin, and electroconvulsive therapy (ECT)), and symptom research (such as VHs, dyskinesia, Othello syndrome, and cognitive control). The gene discussed is BCHE; the disease is drug-induced dyskinesia.