This is a genetic association study of cognitive impairment in young bipolar disease type I patients without medications in mania, depression, hypomania or mixed states.
Case Control
There are 2 SNPs
Methods: 80 patients with BD type I (SCID DSM-IV), age from 18 to 35 years old, currently on mania, depression, hypomania or mixed state after medication wash out will be submitted to complete neuropsychological evaluation and genotyped for COMT (val158met, rs165599, -287, rs737865), ApoE (epsilon 4) and BDNF (val66met)and 80 healthy controls.
Methods: 80 patients with BD type I (SCID DSM-IV), age from 18 to 35 years old, currently on mania, depression, hypomania or mixed state after medication wash out will be submitted to complete neuropsychological evaluation and genotyped for COMT (val158met, rs165599, -287, rs737865), ApoE (epsilon 4) and BDNF (val66met)and 80 healthy controls.