Investigation of second to fourth finger length ratio (2D:4D) in patients with bipolar disorder.

Faruk Kılıç Ümit Işik Arif Demirdaş Huseyin Emre Inci

Published in: Revista brasileira de psiquiatria (Sao Paulo, Brazil : 1999) (2020)

These findings suggest that a high 2D:4D digit ratio of right hand is associated with the presence of bipolar disorder in males. Further large-scale, prospective studies are needed to explain the validity of this marker and its relationship with bipolar disorder.

Keyphrases

bipolar disorder
major depressive disorder