Table 2 Inclusion and exclusion criteria for control participants

Inclusion

• Age 18–40 years.

• BMI of 20 – 45 kg/m².

• Fluent in English.

• Have provided written informed consent.

• Current or previous diagnosis of an eating disorder or any other psychiatric diagnosis, including substance dependence.

Exclusion

• Pregnant or breast-feeding women.

• Inability to tolerate the MRI scanner due to physical or psychological factors.

• Known medical condition, disease or neurological disorder which might, in the opinion of investigator/s, interfere with the assessments to be made in the study or put subjects at increased risk.

• History of physical brain injury or blow to the head that resulted in loss of consciousness for at least 10 min.

• Prior treatment with any stimulant medication.