A study of relationships between hierarchical sequence processing and executive function

A study of relationships between hierarchical sequence processing and executive function - A study of hierarchical sequence processing

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000027579

Enrollment

Registered

2017-06-01

Start date

2017-06-15

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy individuals

Interventions

fMRI scanning and neurofeedback Up to 4 days, within 90 min per day

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Aged 20-35 years-old, male and female 2) Capability of informed consent 3) Right-handedness 4) Native Japanese speaker

Exclusion criteria

Exclusion criteria: 1) Individuals with a neuropsychological, psychiatric or neurosurgical history 2) Individuals who are unable to undergo MRI

Design outcomes

Primary

Measure	Time frame
Behavioral performance in fMRI neurofeedback tests	—

Secondary

Measure	Time frame
Structural and functional MRI data	—

Countries

Japan

Contacts

Public ContactToshiki Iwabuchi

Hamamatsu University School of Medicine Research Center for Child Mental Development

iwabuchi@hama-med.ac.jp053-435-2331

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026