D is not legally insane but due to external factors beyond his control cannot exercise full control
Bratty v AG of Northern Ireland
"Something done by D's muscles without the control of his mind, such as a spasm, a reflex or convulsions; r an act done by a person who is not conscious of what he's doing"
Elements
Elements
Total loss of control
External factor
Not self-induced
Loss of control
Partial or reduction of control is insufficient (AG's Ref)
External factor
Of outside influence eg:
Blow to the head
Attack by swarm of bees
Sneezing fit
Hypoglycemia
Hypnosis
Exceptional stress from trauma
Hill v Baxter
Attack of bee swarm
R v T
Exceptional stress from trauma
Not self induced
Full aquittal
Self-induced -specific intent crimes
Can use defence but will be partial and convicted of a basic intent alternative
