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We developed a video-monitored behavioral platform with machine learning classifiers to unravel discrete changes in natural mouse behaviors. THC infusion into the medial prefrontal cortex (mPFC) disrupted walking kinematic features characteristic of impairment responses. THC predominantly increased mPFC GABAergic activity preceding walk initiation shifting the mPFC excitatory\/inhibitory (E\/I) balance. Pose-defined closed loop photo-stimulation of mPFC GABAergic neurons demonstrated that THC exacerbates selected parameters of motor impairment. Surprisingly, THC also induced a time locked, movement-induced, transient potentiation of mPFC endocannabinoid (eCB) release and ensuing CB\n                  <jats:sub>1<\/jats:sub>\n                  R-mediated synaptic inhibition. Here we establish that THC-modifies mPFC E\/I balance to excitation via dynamic changes in eCB release which acts to induce behavioral impairment.\n                <\/jats:p>","DOI":"10.1101\/2025.09.26.678874","type":"posted-content","created":{"date-parts":[[2025,9,28]],"date-time":"2025-09-28T20:30:14Z","timestamp":1759091414000},"source":"Crossref","is-referenced-by-count":2,"title":["Behavioral Decoding Reveals Cortical Endocannabinoid Potentiation during \u0394\n                  <sup>9<\/sup>\n                  -THC Impairment"],"prefix":"10.64898","author":[{"given":"Anthony","family":"English","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Marcus","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Khushi","family":"Yadav","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yassin","family":"Elkhouly","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Allan","family":"Levy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Victoria","family":"Corbit","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maddie","family":"Ask","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anika","family":"Scedberg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jordan","family":"Poces-Ball","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fleur","family":"Uittenbogaard","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rayna","family":"Simons","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ilana","family":"Witten","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Larry","family":"Zweifel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Benjamin","family":"Land","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nephi","family":"Stella","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael R.","family":"Bruchas","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"54368","reference":[{"key":"2025100100150617000_2025.09.26.678874v1.1","doi-asserted-by":"crossref","first-page":"921493","DOI":"10.3389\/fphar.2022.921493","article-title":"Potency and therapeutic thc and cbd ratios: Us cannabis markets overshoot","volume":"13","year":"2022","journal-title":"Frontiers in Pharmacology"},{"key":"2025100100150617000_2025.09.26.678874v1.2","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.e536"},{"key":"2025100100150617000_2025.09.26.678874v1.3","doi-asserted-by":"crossref","first-page":"184","DOI":"10.1177\/0269881116665357","article-title":"Effects of tetrahydrocannabinol on balance and gait in patients with dementia: A randomised controlled crossover trial","volume":"31","year":"2017","journal-title":"Journal of psychopharmacology"},{"key":"2025100100150617000_2025.09.26.678874v1.4","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuron.2022.12.022"},{"key":"2025100100150617000_2025.09.26.678874v1.5","doi-asserted-by":"crossref","first-page":"1338","DOI":"10.1177\/02698811221095356","article-title":"Effects of cannabidiol on simulated driving and cognitive performance: a dose-ranging randomised controlled trial","volume":"36","year":"2022","journal-title":"Journal of psychopharmacology"},{"key":"2025100100150617000_2025.09.26.678874v1.6","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.0372-06.2006"},{"key":"2025100100150617000_2025.09.26.678874v1.7","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pbio.0050269"},{"key":"2025100100150617000_2025.09.26.678874v1.8","doi-asserted-by":"crossref","unstructured":"V. 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