{
  "abstract": "Conscious perception is often inferred from behavioral reports, which conflate awareness-related neural signals with the motor and decision processes required to respond. No-report paradigms address this by using spontaneous physiological signals, such as eye movements, to infer perception. Although our group developed a no-report visual paradigm, we had not applied this approach to touch. We developed a no-report tactile paradigm using the Galileo stimulation system to deliver pneumatic air puffs to non-thumb fingers on both hands while tracking eye movements. Participants reported sensations from the Report hand while receiving threshold-level puffs on both hands; eye metrics were used to infer perception in the No-Report hand. Perceived threshold-level stimuli elicited greater pupil dilation and more post-stimulus blinking than identical unperceived stimuli, with effects lasting 1 - 2 seconds. Microsaccade rate decreased after stimulus onset, but this suppression did not reach statistical significance. A stacked support vector machine trained on the Report eye-tracking measures was applied to classify No-Report trials and successfully separated [Predicted] Perceived from [Predicted] Not Perceived trials (AUC = .92; cross-validated accuracy = 72%; sensitivity = 90% at 80% specificity; label-permutation p < .001). These findings show that eye tracking can detect conscious tactile perception without overt responses and offer a noninvasive, scalable approach for studying tactile perception in patients with self-reported disabilities, including comatose or intubated patients.",
  "abstract_shown": true,
  "affiliations": [
    "Yale School of Medicine"
  ],
  "article_type": "New results",
  "arxiv": null,
  "author_total": 8,
  "authors": [
    {
      "affs": [
        0
      ],
      "name": "A. A. Sharma"
    },
    {
      "name": "R. Senjalia"
    },
    {
      "name": "A. Woodworth"
    },
    {
      "name": "D. Jin"
    },
    {
      "name": "S. Aerts"
    },
    {
      "name": "D. Cormier"
    },
    {
      "name": "A. Khalaf"
    },
    {
      "name": "H. Blumenfeld"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/a5nsw7ttczpz6.bib",
  "cited_by": 0,
  "doi": "10.64898/2026.10.29.762884",
  "fulltext_url": "https://www.biorxiv.org/content/10.64898/2026.10.29.762884v1.full",
  "id": "a5nsw7ttczpz6",
  "issns": [
    "2692-8205"
  ],
  "landing_url": "https://www.biorxiv.org/content/10.64898/2026.10.29.762884v1",
  "language": "en",
  "licence": "CC-BY-NC-ND",
  "licence_label": "CC BY-NC-ND",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by-nc-nd/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "biorxiv",
      "neuroscience"
    ],
    [
      "heading",
      "Article"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://www.biorxiv.org/content/10.64898/2026.10.29.762884v1.full.pdf",
  "pmcid": "PMC13734133",
  "pmid": "42990638",
  "published": "2026-10-29",
  "publisher": "Cold Spring Harbor Laboratory Preprints",
  "ris": "https://research.draconitic.com/paper/a5nsw7ttczpz6.ris",
  "sources": [
    {
      "first_seen": "2026-10-31T00:21:07Z",
      "native_id": "10.64898/2026.10.29.762884",
      "source": "biorxiv",
      "url": "https://www.biorxiv.org/content/10.64898/2026.10.29.762884v1"
    },
    {
      "first_seen": "2026-11-08T12:23:46Z",
      "native_id": "PMC13734133",
      "source": "pmc",
      "url": "https://doi.org/10.64898/2026.10.29.762884"
    }
  ],
  "subjects": [
    {
      "field": "biology",
      "origin": "biorxiv:neuroscience",
      "subfield": "neuroscience"
    }
  ],
  "title": "Measuring conscious tactile perception without report: pupil, blink, and microsaccade signatures of a tactile no-report paradigm",
  "title_text": "Measuring conscious tactile perception without report: pupil, blink, and microsaccade signatures of a tactile no-report paradigm",
  "type": "preprint",
  "updated_at": "2026-11-08T12:23:46Z",
  "url": "https://research.draconitic.com/paper/a5nsw7ttczpz6",
  "venue": "bioRxiv",
  "versions": []
}