What is Automatism?
An involuntary act caused by an external factor and not self-induced
R v Bratty
D’s mind is not controlling his body in a “purposeful manner”
A-G’s Reference (No. 2 of 1992)
A total lack of awareness is required, making the defence difficult to prove
What are examples of external factors?
Head injury or injection of drugs
What is self-induced automatism?
Drinking too much or taking illegal drugs
R v Hardie
If D had a strange reaction to prescription drugs, the courts will consider if D knew there was a risk of getting in that state