3. Give informed consent for participation in the study.
Used cannabis maximum 50 times in their lives, and no more than once during the past year.
Use of cannabis for at least 2 years and in the last 6 months for at least 4 days a week.
(-After minimum 12 hours of abstinence (in order to eliminate acute cannabis effects, minimize the withdrawal effect while retaining neurophysiological effects from altered CB1 activity).
You may not be if
(To prevent MEG artifacts by non relevant electric interference or brain conditions)
History of epilepsy, seizure, or hot spasm, sever head injuries.
History of metal in the head (outside the mouth space).
History of surgery including metal implant or history of metal particles in the eye, pacemaker, or any other medical pump.
History of migraines.
History of drug or alcohol abuse during the last year. Inability to achieve satisfying level of communication with the subject Control Group (healthy Subjects)
History of psychiatric diagnosis
Drug or alcohol addiction in the year prior to the study
History of epilepsy, seizure, or hot spasm.
History of head injuries.
History of metal in the head (outside the mouth space).
History of surgery including metal implant or history of metal particles in the eye, pacemaker, or any other medical pump.
History of migraines.
Clareo Health | Chronic Cannabis Users: A Model for Negative Symptoms in Schizophrenia
