{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T06:34:04Z","timestamp":1769150044341,"version":"3.49.0"},"reference-count":84,"publisher":"Cold Spring Harbor Laboratory","issue":"9","funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["R15MH118705"],"award-info":[{"award-number":["R15MH118705"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Learn. Mem."],"published-print":{"date-parts":[[2022,9]]},"abstract":"<jats:p>Anxiety and stress-related disorders are highly prevalent and are characterized by excessive fear to threatening and nonthreatening stimuli. Moreover, there is a large sex bias in vulnerability to anxiety and stress-related disorders\u2014women make up a disproportionately larger number of affected individuals compared with men. Growing evidence suggests that an impaired ability to suppress fear in the presence of safety signals may in part contribute to the development and maintenance of many anxiety and stress-related disorders. However, the sex-dependent impact of stress on conditioned inhibition of fear remains unclear. The present study investigated sex differences in the acquisition and recall of conditioned inhibition in male and female mice with a focus on understanding how stress impacts fear suppression. In these experiments, the training context served as the \u201cfear\u201d cue and an explicit tone served as the \u201csafety\u201d cue. Here, we found a possible sex difference in the training requirements for safety learning, although this effect was not consistent across experiments. Reductions in freezing to the safety cue in female mice were also not due to alternative fear behavior expression such as darting. Next, using footshock as a stressor, we found that males were impaired in conditioned inhibition of freezing when the stress was experienced before, but not after, conditioned inhibition training. Females were unaffected by footshock stress when it was administered at either time. Extended conditioned inhibition training in males eliminated the deficit produced by footshock stress. Finally, exposing male and female mice to swim stress impaired safety learning in male mice only. Thus, we found sex \u00d7 stress interactions in the learning of conditioned inhibition and sex-dependent effects of stress modality. The present study adds to the growing literature on sex differences in safety learning, which will be critical for developing sex-specific therapies for a variety of fear-related disorders that involve excessive fear and\/or impaired fear inhibition.<\/jats:p>","DOI":"10.1101\/lm.053508.121","type":"journal-article","created":{"date-parts":[[2022,9,2]],"date-time":"2022-09-02T19:55:35Z","timestamp":1662148535000},"page":"246-255","source":"Crossref","is-referenced-by-count":13,"title":["Stress and sex-dependent effects on conditioned inhibition of fear"],"prefix":"10.1101","volume":"29","author":[{"given":"Jordan M.","family":"Adkins","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carly J.","family":"Halcomb","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Danielle","family":"Rogers","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4015-4202","authenticated-orcid":false,"given":"Aaron M.","family":"Jasnow","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"246","published-online":{"date-parts":[[2022,9,2]]},"reference":[{"key":"2022090212550774000_29.9.246.1","doi-asserted-by":"crossref","unstructured":"Adkins JM , Jasnow AM , Lynch JF . 2019. 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