Patients not recruited.

Altered brain networks, including cognitive, motor, and language networks, are investigated by intensive cognitive rehabilitation in subacute stroke patients.

Inclusion Criteria:

• Patients aged 19 to 80 years
• Patients with subacute stroke within 2 weeks of onset
• First-ever stroke
• Supratentorial stroke
• Less than 8 SAFE (shoulder abduction, finger extension) points
• Less than 35 FMA Upper scores
• MEP (motor evoked potential) negative
• Not more than 24 K-MMSE (Korean Mini-Mental State Examination) score

Exclusion Criteria:

• Difficult to communicate due to severe language impairment.
• Accompanied by an existing serious neurogenic disease
• Existing significant psychiatric disorders such as major schizophrenia, bipolar disorder
• If there are difficulties in conducting the research
• Any patients who are judged by the investigator to be difficult to participate in this study
• Patients with contraindicated MRI scans