• INCLUSION CRITERIA:

  i. For Healthy Controls

• Age 6 and above

• Evidence of normal developmental history and normal functioning

ii. For Relatives of Probands

• Ages 6 and above
• Evidence of blood relationship to proband with a disorder under study, with usual selection of first-degree relatives, and occasional participation of more distantly-related relatives (e.g., grandparents, aunts/uncles, cousins).

EXCLUSION CRITERIA :

i.For Healthy Controls

• Evidence of medical or neurological disease
• Diagnosis of schizophrenia or schizoaffective disorder or in first-degree relatives by history, clinical interview, or by structured, diagnostic psychiatric interview (Diagnostic Interview for Children and Adolescents -IV)

ii.For Relatives of Probands

• Absence of consent on the part of the proband or parent(s) of proband to contact relatives
• Absence of signed consent or assent by relative(s) to participate
• Lack of consent capacity