Inclusion Criteria:  Patients with prior or ongoing participation as subject in a research study using neurotechnologies for diagnosis and prognosis of disorders of consciousness (DoC) at Mass General Brigham Patients capable of understanding and answering questions in English Patients cble to provide informed consent Patients for whom MRI / EEG are administered for clinical detection of consciousness and/or neuroprognostication Family member or surrogate caregiver of patients who previously participated or are currently participating in a research study using neurotechnologies for diagnosis and prognosis of DoC at Mass General Brigham. Family Members / Surrogates capable of understanding and answering questions in English Family Members / Surrogates able to provide informed consent Family member or surrogate caregiver of patients for whom MRI / EEG are administered for clinical detection of consciousness and/or neuroprognostication Research Investigators involved with research responsibilities in designing or testing neurotechnologies on patients with DoC. Clinicians with clinical responsibilities caring for patients in behaviorally unresponsive state, defined as coma, vegetative state (VS), and low-level minimally conscious state (MCS). Selected leaders and advisors (Community and Thought Leaders) from brain injury associations and advocacy organizations, and policy-makers involved in decision-making impacting patients with DoC.  Exclusion Criteria:  None