Anodic stimulation of the subthalamic nucleus rescues cathodic stimulation-induced mood symptoms in Parkinson disease.

COI Statement

Declaration of Competing Interest ☒ The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Alexander Baumgartner reports a relationship with Medtronic Inc that includes: funding grants. Alexander Baumgartner reports a relationship with Boston Scientific Corporation that includes: travel reimbursement. Alexander Baumgartner reports a relationship with Insightec Inc that includes: travel reimbursement. Drew Kern reports a relationship with AbbVie Inc that includes: board membership and consulting or advisory. Drew Kern reports a relationship with Abbott that includes: consulting or advisory. Drew Kern reports a relationship with Boston Scientific Corporation that includes: board membership, consulting or advisory, and funding grants. Drew Kern reports a relationship with Medtronic that includes: board membership, consulting or advisory, funding grants, and travel reimbursement. Drew Kern reports a relationship with Parkinson’s Foundation Inc that includes: funding grants. John Thompson reports a relationship with Medtronic that includes: consulting or advisory, funding grants, and travel reimbursement. John Thompson reports a relationship with Boston Scientific Corporation that includes: funding grants. If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.