Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Laval University
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1. To have a diagnosis of schizophrenia or schizophrenia spectrum psychosis (schizophreniform, schizoaffective, delusional trouble, brief psychosis), as defined in Diagnostic and statistical manual of mental disorders (\[DSM-IV\], American Psychiatric Association \[APA\], 1995);
2. To be 18 years old or more;
3. Psychotic symptoms must be stabilized with a second generation antipsychotic for at least 4 weeks i.e. no item on Positive And Negative Syndrome Scale (\[PANSS\], Kay, Opler, \& Fiszbein, 1987) positive subscale equal or superior to a score of 5.
4. Neurocognitive impairments are observed on attention measures. Participants will merit one or more result equal or lower to Z = -1,00 in at least one attention task.(Color trail test part A, MWCT, Stroop test, CPT-II).
You may not be if
1. To have a diagnosis of mental retardation (APA, 1994), or medical affection other than schizophrenia or schizophrenia spectrum psychosis, or neurological troubles that can lead to cognitive impairments (ex : temporal epilepsy);
2. To have a current diagnosis of panic disorder (DSM-IV);
3. To manifest an important suicidal potential according to the psychiatrist clinical judgment;
4. To suffer from unstable hypertension, cardiac arrhythmia or any other cardiac disorders;
5. To take medications, drugs and/or natural products that have a stimulant effect on the CNS (e.g., cocaine, methylphenidate); and
6. To be a pregnant woman, who breast-feed, or a woman who do not use an effective contraceptive (abstinence is considered like an effective method).