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An exaggerated sensitization to emotionally salient situations, increased experience of emotions, and dysfunctional regulative abilities could be reasons for increased distress also during parenting. Mothers with BPD tend to have less reciprocal mother\u2013child interactions (MCI) and reveal altered cortisol and oxytocin reactivity in the interaction with their child, which could indicate altered processing of stress and reward. Here, we studied underlying neural mechanisms of disrupted MCI in BPD. Twenty-five mothers with BPD and 28 healthy mothers participated in a script-driven imagery functional magnetic resonance imaging (fMRI)-paradigm. Scripts described stressful or rewarding MCI with the own child, or situations in which the mother was alone. Mothers with BPD showed larger activities in the bilateral insula and anterior cingulate cortex (ACC) compared to healthy mothers during the imagination of MCI and non-MCI. Already in the precursory phase while listening to the scripts, a similar pattern emerged with stronger activity in the left anterior insula (AINS), but not in the ACC. This AINS activity correlated negatively with the quality of real-life MCI for mothers with BPD. Mothers with BPD reported lower affect and higher arousal. An exaggerated sensitization to different, emotionally salient situations together with dysfunctional emotion regulation abilities, as reflected by increased insula and ACC activity, might hinder sensitive maternal behavior in mothers with BPD. These results underline the importance for psychotherapeutic interventions to improve emotional hyperarousal and emotion regulation in patients with BPD, especially in affected mothers caring for young children.<\/jats:p>","DOI":"10.1007\/s00406-023-01634-6","type":"journal-article","created":{"date-parts":[[2023,6,24]],"date-time":"2023-06-24T12:31:22Z","timestamp":1687609882000},"page":"117-127","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Stress and reward in the maternal brain of mothers with borderline personality disorder: a script-based fMRI study"],"prefix":"10.1007","volume":"274","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1179-3312","authenticated-orcid":false,"given":"Isabella","family":"Schneider","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabine C.","family":"Herpertz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kai","family":"Ueltzh\u00f6ffer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Corinne","family":"Neukel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,6,24]]},"reference":[{"issue":"2","key":"1634_CR1","doi-asserted-by":"publisher","first-page":"166","DOI":"10.1007\/s11065-014-9254-9","volume":"24","author":"AE Mitchell","year":"2014","unstructured":"Mitchell AE, Dickens GL, Picchioni MM (2014) Facial emotion processing in borderline personality disorder: a systematic review and meta-analysis. 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It was approved by the Ethics Committee of the Medical Faculty at Heidelberg University, Germany (approval number: S-707\/2018).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"All participants gave written informed consent prior to inclusion and received equal monetary compensation for their participation.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent statement"}}]}}