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To test its feasibility, the authors developed and tested a novel EEG-based, data-driven BCI system for intuitive and self-paced control of the ambulation of an avatar within a virtual reality environment (VRE).\n  Approach: Eight able-bodied subjects and one with SCI underwent the following 10-min training session: subjects alternated betwee"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1208.6057","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2012-08-30T00:58:22Z","cross_cats_sorted":[],"title_canon_sha256":"2f4ca54ee2798779dad938ae72697b6b3b63791138074f491b899f9e49ad8aaf","abstract_canon_sha256":"67cc4b063780470f5ec56d5dfc1f9d54d4245cfe71be123d423ef33e8f3ee3e7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:46.607446Z","signature_b64":"ayywTt3H3tN5DfYDlruoqks1UjM8HEBsKOkO8vIU9t7CrZ0BxfNQCTJ/BOC9p8ZwhA2gQonQg/jjaj1+KqNKAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb76e2a2f4721deeda935b38459baa9fa29dc8188134b4c92fc35540764448f0","last_reissued_at":"2026-05-18T03:46:46.606607Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:46.606607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Self-paced brain-computer interface control of ambulation in a virtual reality environment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"An H. 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