Where a psychotic episode is triggered by self-induced intoxication, the effects of that intoxication — including the psychotic episode itself — must be disregarded under s 23A(3) of the Crimes Act 1900 (NSW) for the purposes of the partial defence of substantial impairment. The distinction between a psychotic episode 'triggered by' intoxication and one 'co-extensive with' intoxication does not limit the operation of s 23A(3). R v Jones (1986) 22 A Crim R 42 continues to apply under the current form of s 23A.
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