Modulating Neurocognitive Processes of Learning to Trust and Distrust in Aging

Inclusion Criteria:

* Able to provide verbal and written informed consent
* Fluent English speaker
* At least 8th grade education
* On stable medication regimen

Exclusion Criteria:

* Pregnancy
* Magnetic resonance imaging contraindications (e.g., certain metallic objects in body, claustrophobia)
* Current major depression defined as scores \>14 on the Beck Depression Inventory-II
* Impaired scores on the Telephone Interview for Cognitive Status (TICS; cut-off of \>30)
* Current use of medications with significant anticholinergic properties due to potential influence on memory ("memory enhancing"; e.g., Aricept or Namenda)
* Current use of anticonvulsant, neuroleptic, sedatives, or other medications known to affect cognition
* Uncorrected visual and hearing impairments
* Neurologic conditions affecting the brain (e.g., severe stroke, epilepsy, traumatic brain injury with \>30-minute loss of consciousness)
* Impaired scores on a cognitive screening measure, the Montreal Cognitive Assessment (MoCA); for older adults the cutoff will be age and education corrected
* Unstable medical illness (e.g., metastatic cancer)
* Significant cardiovascular conditions (e.g., major heart attack)
* Will not exclude participants who are taking anti-depressant medications. Use of antidepressants (particularly SSRI's) and anxiolytic medications will be recorded and included in post-hoc analyses