TMS, phosphenes and visual mental imagery: A mini-review and a theoretical framework
Bibliographic record
Abstract
Abstract We reviewed the existing research linking visual mental imagery and phosphenes induced by TMS. We examined and contrasted conditions (and parameters) under which intensity and amplitude of TMS application at various cortical sites along the ventral and dorsal visual pathways: 1) induces the experience of visual images during perception and mental imagery, 2) interferes with or facilitates perception and/or imagery in concurrent and dual task conditions, 3) correlates with self-reports such as vividness ratings, and 4) reduces or has other selective effects on phosphene threshold in concomitance with perception and imagery. We propose an interpretation of the results of this mini-review within a new biophysical framework for visual mental imagery based on Bokkon’s redox molecular model of explicit optical coding of visual information in early visual areas (V1) and the propagation of conscious visual content at other levels in the stream of visual processing and in other parts of the brain.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.004 | 0.003 |
| Science and technology studies | 0.000 | 0.002 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".