The Willed Trance: Volition, Voluntariness and Hypnotised Defendants

James Mason

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Abstract

Traditionally, jurists have distinguished between voluntary/involuntary behaviour via the theory of volition. Though perceived as the conventional approach, this paper argues that the volitional understanding of voluntariness is an inadequate instrument for assessing complex behaviours which seemingly portray a striking level of intelligence and purposiveness on the part of the accused. In particular, the phenomenon known as hypnotically-induced behaviour, which forms the focus of this paper, is one such troublesome case. To this end, the version of the volitional theory most staunchly advocated by Professor Michael Moore is singled out for scrutiny, due to his strong sentiments supporting the application of his philosophy to these aforementioned behaviours. In contrast to Moore, this paper suggests that the position most recently proposed by the Law Commission of England and Wales within their discussion paper on the defences of insanity and automatism is to be preferred. Specifically, the Commission recommend substituting the theory of volition for that of ‘control’ as a means for assessing the voluntariness of any given behaviour. This paper submits that a theory of control has two major advantages over the traditional theory of volitionalism. First, the possession/absence of control more accurately reflects the contemporary system of criminal law in England and Wales. Second, a theory of control is more conceptually defensible as an explanation for why behaviours performed under hypnosis are typically perceived as involuntary.
Original languageEnglish
Pages (from-to)26-43
JournalThe Journal of Criminal Law
Volume85
Issue number1
DOIs
Publication statusPublished - 5 Oct 2020

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