Inclusion Criteria:  the age ranged from 18 to 70 years old fulfilled the Classification Criteria for Psoriasis the score of the SDS > 50 and / or SAS >50 Participant has normal or corrected to normal vision and hearing Participant is willing and able to give informed consent for participation in the study.  Exclusion Criteria:  Participant has insufficient manual dexterity for the computerized tasks severe systemic diseases patients with severe mental illness or taking psychotic drugs Pregnancy No access to the internet