Purpose

This study aims to clarify relations between brain oscillations and two cognitive functions: cognitive control and memory.

Conditions

Eligibility

Eligible Ages
Between 18 Years and 59 Years
Eligible Sex
All
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  • 18 years and older - Fluent in English - Normal or corrected-to-normal vision - Willing to be photographed

Exclusion Criteria

  • Must not have ever had an injury to the head that's caused you to be knocked out for a period of time (e.g., from a fall, blow to the head, road traffic accident). - Must not have an uncorrected vision or physical disability that interferes with your ability to see stimuli presented briefly on a computer screen or click a mouse button rapidly. - Must not have a history of epilepsy, convulsions, or seizures (except childhood febrile seizures). - Must not have a history of fainting or syncope. - For female participants, they must not be pregnant and/or must not think they might be pregnant. - Must not have skin problems like eczema, dermatitis, or open wounds on the scalp. - Must not have had prior brain surgery. - Must not have any metal located in the head/neck (except for dental fillings). - Must not have any devices or other implants located in/near their head. This includes cochlear implants and aneurysm clips, cardiac pacemaker, or any other implanted electronic device. - Must not have a current (active) alcohol or substance use disorder, must have no recent history of withdrawal symptoms, and must be able to safely abstain from alcohol and non-prescribed/illicit drugs for at least 24 hours before the session. - Must not have any alcohol on the day of the session, must limit alcohol consumption to no more than 2 drinks (if legally permitted) in the prior 24 hours, and must not use any non-prescribed or illicit drugs in the 24 hours before the session. - Must not be sick with a fever, sleep-deprived, or feel dizzy, unwell, or intoxicated. - Must also have eaten and had fluids but not have consumed more caffeine than they typically consume. - Must not be taking anticonvulsant/anti-epileptic drugs or have ever taken them within their lifetime. - Must not be taking benzodiazepines or have taken them within the past 3 months. - Must not have had a recent change (start, stop, dose change) for any psychiatric/psychotropic medications within the past 3 months. - Must not be taking Bupropion (Wellbutrin, Zyban), Tricyclic antidepressants (e.g., amitriptyline, imipramine, clomipramine, etc.), Antipsychotics (clozapine; chlorpromazine, haloperidol, etc.), or Tramadol or have taken them within the past 3 months. - Must not have experienced cardiac problems, fibrillation, or have taken medications associated with cardiac conditions within the past 3 months. - Must not meet the diagnostic threshold for Autism Spectrum Disorder, Intellectual Disability, or Psychotic Disorders.

Study Design

Phase
N/A
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Basic Science
Masking
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Sham Comparator
Sham Stimulation
Participants will be randomized to receive an active STARSTIM treatment or sham treatment.
  • Device: Sham device
    Intervention which uses an inactive form of stimulation via electrodes on the scalp.
Experimental
STARSTIM device treatment (in-phase theta)
Participants will be randomized to receive an active STARSTIM treatment or sham treatment.
  • Device: STARSTIM Device in-phase
    Intervention that uses the Starstim tES device to introduce transcranial alternating current stimulation (tACS) in the form of in-phase theta (~3.5 to ~7.5 Hz) via electrodes on the scalp.
Experimental
STARSTIM device treatment (anti-phase stimulation)
Participants will be randomized to receive an active STARSTIM treatment or sham treatment.
  • Device: STARSTIM Device anti-phase
    Intervention that uses the Starstim tES device to introduce transcranial alternating current stimulation (tACS) in the form of anti-phase stimulation via electrodes on the scalp.

Recruiting Locations

Florida International University
Miami, Florida 33199
Contact:
George Buzzell
305-348-2868
gbuzzell@fiu.edu

More Details

Status
Recruiting
Sponsor
Florida International University

Study Contact

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.