Inclusion Criteria:  Generally healthy Age 21-55 Right-handed using a three-item scale Daily smoker of ≥ 10 cigarettes/day Smoking regularly for ≥ 1 year Have a smartphone capable of running the MetricWire application Able to read and understand English Able to identify at least 4 pleasurable activities they do not do concurrently with smoking or associate with smoking.  Exclusion Criteria:  Planning to quit smoking within the next 60 days Currently seeking or receiving treatment for smoking cessation Use of smokeless tobacco, nicotine replacement products or electronic cigarettes more than 5 days in the past month. Breath alcohol level ≥.001. Participants may be allowed one reschedule at the discretion of the PI or other study staff.  Positive toxicology screen for illicit drugs  Marijuana will be tested for but will not exclusionary Participants failing the toxicology screen may be allowed one re-screening attempt at the PI's discretion Participants with valid prescriptions who report using the medication as directed and meet all other eligibility criteria may be allowed to participate at the PI's discretion Current use of antipsychotic or stimulant medications.  Significant health problems or those that would impact scientific goals of the project, including (but not limited to):  Cancer, Bronchitis, Emphysema, COPD Asthma or Breathing Problems Insulin-Dependent Diabetes Heart disease, angina, heart failure, serious arrhythmia or heart attack within the past 6 months Systolic Blood Pressure > 160, Diastolic Blood Pressure > 100, HR > 115 bpm (one re-screen allowed). Glaucoma, color blindness or an uncorrected vision problem Significant hearing loss requiring the use of hearing aids or other hearing problems that would impact History of stroke, brain tumor, seizure disorder, or traumatic brain injury Metal implants (e.g. pacemaker, surgical pins, certain dental repairs), dental braces, or metal fragment injuries. Claustrophobia Weight > 300 pounds or unable to fit in the MRI scanner bore Current depression, bipolar disorder, psychotic disorder or substance use disorder (moderate or severe only, mild is allowable at PI's discretion). SUD in remission is also allowable at PI's discretion Pregnant, breastfeeding or planning to become pregnant during the course of the study (females) Current enrollment in another smoking research study or having participated in a study involving daily use of Spectrum cigarettes or other reduced nicotine products within the past three months Irregular sleep-wake cycles (e.g. swing-shift work, unusual sleep pattern)