Research Program / Claims / mediumship-10
The state before sleep is a good time to receive visions; worry is harmful and strengthens negative attitudes; trance can be achieved with alcohol, a dim room, and prior preparation, and the self relaxes when it sees that it can recover at any time.
临睡前状态是接收异象的良好时机；担忧有害，会强化否定态度；出神可用酒精、昏暗房间和事前准备达成，且自我看到可随时恢复时会放松。
Concept mediumship · Domain Trans-Lifetime Personality and Consciousness Continuity · methodological suggestion · interface 3/3 · testability 3/3 · status untested · ★ fundable
This program treats the Seth Material as a source of hypotheses, not as doctrine to be validated. Lead dossiers are AI-compiled from the corpus with a book-and-session citation after every statement; literature reviews are AI web-search summaries whose references were all DOI-verified against Crossref; the agenda draft is an AI synthesis. None of it is Seth's original text, and none of it represents scientific consensus. English fields are machine-translated; the Chinese text is authoritative.
Seth sources (book §session)
Adjudicating experiment
Approximately 240 participants are randomly assigned to N1 sleep initial cues or quiet wakefulness cues, with crossed thematic suggestion and neutral cues, over 6 weeks, including a baseline night, 4 experimental sessions, and next-morning follow-up. Polysomnography confirms state, with blind rating of dream thematic incorporation; additionally measure d′ and criterion in a perceptual task during wakefulness to distinguish easier reporting from greater sensitivity. Control cue can be an additional random factor; if testing alcohol, a medically supervised dose–placebo trial must be set up separately, not extrapolated from non-pharmacological experiments.
Suggested paper title
Sleep-Onset Suggestion, Perceived Control, and Subsequent Dream Content: A Pre-registered Randomized Trial
What it would overturn
Dream content being influenced by suggestion does not require overturning mainstream hypotheses; only obtaining information about unknown external targets after excluding leakage would challenge the hypothesis that “dream information arises from existing memories and actual sensory input.”
Candidate labs / funders
Adam Haar Horowitz; Tony J. Cunningham; Pattie Maes; Robert Stickgold; Massachusetts Institute of Technology, Media Lab, Fluid Interfaces
Specificity of Seth's formulation
Pre-sleep timing and restoration of control are operational predictions, but overlap with sleep-onset imagery and expectancy theories; the complete combination that worry is harmful, dim environment and alcohol work, has no direct evidence.
Note
Answer to supplementary question 3: randomized trials can be designed; this item is listed as untested overall, though the sub-proposition that pre-sleep cues alter dreams has support; alcohol should not be advocated as a self-practice method on this basis.
Evidence (1, DOI-verified via Crossref)
Cite: Future Mind Institute, Seth Material Research Agenda, claim mediumship-10, https://www.seth.org.cn/en/research/claims/mediumship-10