can tobacco cause psychosis Does Cannabis Psychosis? Tobacco and Chronic Disease –

Smooth Pursuit Eye Movement Smooth pursuit eye movement (SPEM) tasks involve the measurement of saccades, which are eye movements toward a target stimulus, as well as anti-saccades, which involves the movement away from a stimulus

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Although you can control for these in analyses, you can never be sure youve adequately adjusted for them

Modulation of the startle response and startle laterality in relatives of schizophrenic patients and in subjects with schizotypal personality disorder: evidence of inhibitory deficits

Another important limitation is that very few studies measured or adjusted for use of other substances (most importantly, perhaps, cannabis, which has been widely discussed as a potential risk factor for schizophrenia)