The goal of this subproject is to examine the hypothesized improvement of treatment with chess-based training and sleep enhancement, both together and on their own, in smokers.
Participants will undergo fMRI measurements, sleep monitoring. They will then be assigned to one of the four experimental groups, including high-intensity interval training with or without chess-based training.
severe tobacco use disorder (TUD) according to DSM-5
sufficient ability to communicate with investigators and answer questions in both written and verbal format
ability to provide fully informed consent and to use self-rating scales
right-handedness
severe internal, neurological, and/or psychiatric comorbidities; other Axis I mental disorders other than TUD according to ICD-10 and DSM 5 (except for mild depression, i.e. F32.0, adjustment disorder and specific phobias) in the last 12 months
history of brain injury
severe physical diseases
common exclusion criteria for MRI (e.g. metal, claustrophobia)