{"id":"35ad1fc2-e638-51c5-b672-2f3343f15a2e","stable_key":"6660bba2-4fa0-590a-bf52-9803a24bea9f:enjoyment","predicate":"increases_in_recorded_experiment","statement":"Modafinil increased task enjoyment in a healthy-volunteer study with benefits concentrated in difficult tasks.","claim_class":"observational","status":"source_recorded","evidence_grade":"ungraded","direction":"positive","is_public":true,"mechanism_event_id":"6e2e970d-1d83-5fee-8019-cfe817f7d67f","mechanism_event_label":"Modafinil increased task enjoyment in a healthy-volunteer study with benefits concentrated in difficult tasks.","subject":{"id":"624e6a4b-f96d-5d12-8206-30d1e1715c26","slug":"modafinil","display_name":"Modafinil","entity_type_key":"drug"},"object":{"id":"e9437fc6-78af-5e97-a445-682f08e8f9f5","slug":"human-task-enjoyment","display_name":"Human cognitive-task enjoyment","entity_type_key":"cellular_process"},"evidence_count":1,"mechanism_event":{"id":"6e2e970d-1d83-5fee-8019-cfe817f7d67f","stable_key":"6660bba2-4fa0-590a-bf52-9803a24bea9f:enjoyment-event","event_type":"experimental_observation","label":"Modafinil increased task enjoyment in a healthy-volunteer study with benefits concentrated in difficult tasks.","description":"A separate healthy-volunteer study found benefits concentrated in difficult tasks and increased task enjoyment. Its creativity measures did not show a consistent significant improvement or decrement. These findings do not support either “universal intelligence enhancer” or “only makes tedious tasks tolerable.” [Müller et al.](https://pmc.ncbi.nlm.nih.gov/articles/PMC3485563/)","status":"provisional","compartment":null,"participants":[{"entity":{"id":"624e6a4b-f96d-5d12-8206-30d1e1715c26","slug":"modafinil","display_name":"Modafinil","entity_type_key":"drug"},"role":"tested factor","stoichiometry":null,"state_label":"Modafinil","sequence_order":0,"notes":""},{"entity":{"id":"e9437fc6-78af-5e97-a445-682f08e8f9f5","slug":"human-task-enjoyment","display_name":"Human cognitive-task enjoyment","entity_type_key":"cellular_process"},"role":"measured outcome","stoichiometry":null,"state_label":"increase","sequence_order":1,"notes":""}]},"contexts":[{"dimension":"evidence_access","value_text":"Full XML obtained; relevant results/methods inspected. 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