Hi Ahmad, you can use mris_left_right_register to register the left and right hemis, then mris_apply_reg to map the left annot to the right (or other way around).

ps. please remember to post to the FS list. Thanks!

On 1/17/18 9:13 AM, Ahmad Mheich wrote:

/Hello, / // /Is it possible to combine the lh and rh annotation files into a single //annotation file for visualisation? How? / /Best regards/ /Ahmad/