About this trial
This study examines how people respond to rewards and losses, and the extent to which these responses are linked or distinct among people experiencing depressed mood, anhedonia, and/or anxiety.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
mood, anxiety, or anhedonia symptoms that affect functioning; fluent in English; able to see computer display; able to perform simple computer games.
Disqualifiers
history of seizure disorder, stroke, or head injury with more than 10 minutes of unconsciousness; hormone disorder; electroconvulsive therapy within 5 years; history of chemotherapy for cancer; current pregnancy; contraindications to MRI
Trial design
Parallel
Treatments tested in this trial
cognitive behavioral therapy
Behavioralcognitive behavioral therapy
valuation with instruction
Behavioralrepeat laboratory sessions of computerized learning game
valuation without instruction
Behavioralrepeat laboratory sessions of computerized learning game
Treatment groups
Trial outcomes
Primary outcomes
change in proportion correct on the 'N-arm bandit learning task'
change in proportion correct on 'N-arm bandit reinforcement learning task' from study entrance to study exit
Secondary outcomes
change in depression symptoms (Beck Depression Inventory)
change in depression symptoms from study entrance to study exit
change in anxiety symptoms (anxiety subscale; Mood and Anxiety Symptom Questionnaire)
change in anxiety symptoms from study entrance to study exit
change in anhedonia symptoms (anhedonia subscale; Mood and Anxiety Symptom Questionnaire)
change in anhedonia symptoms from study entrance to study exit
Sponsors and contacts
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