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Captivating thoughts: nocturnal pollution, imagination and the sleeping mind in the twelfth and thirteenth centuries

MacLehose, WF; (2020) Captivating thoughts: nocturnal pollution, imagination and the sleeping mind in the twelfth and thirteenth centuries. Journal of Medieval History , 46 (1) pp. 98-131. 10.1080/03044181.2019.1695653. Green open access

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Abstract

Medieval attempts to understand nocturnal emissions – involuntary bodily excretions during sleep which were identified as morally ambiguous – became extensive explorations of the unique and problematic features of sleep and the mental state it produced. During the twelfth and thirteenth centuries, nocturnal pollutions became the object of an intensive scrutiny of sleep as a site of moral concern. Causal explanations often centred on human psychology, in particular the unusual status of the sleeping mind, in an attempt to understand the intricate ways in which mind, body and soul were uniquely bound together in sleep. The mental states before, during and after sleep were understood to interact with one another in complex ways which centred on questions of culpability and its lack. A comparison of medical, natural-philosophical, theological and canon law materials discussing nocturnal pollution reveals a preoccupation with the sleeper’s mind as exceptional, uncontrollable and problematic.

Type: Article
Title: Captivating thoughts: nocturnal pollution, imagination and the sleeping mind in the twelfth and thirteenth centuries
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/03044181.2019.1695653
Publisher version: https://doi.org/10.1080/03044181.2019.1695653
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: History of psychology, medieval medicine, natural philosophy, theology, theories of mind and body, history of sleep
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Science and Technology Studies
URI: https://discovery.ucl.ac.uk/id/eprint/10087501
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