Insanity & Automatism Flashcards
What type of defence is insanity?
General defence
Is insanity defined by Parliament?
No, it is common law (judge-made)
What percentage of cases of insanity used as a defence
0.01
Why is insanity rarely used as a defence to murder?
Diminished Responsibility is a better defence
Why is insanity unpopular as a defence?
Nobody wants to go to a mental asylum
What is the special verdict of insanity?
“Not guilty reason of insanity”
What case defines insanity?
M’Naghten
What amounts to defect of reason?
Powers of reason must be impaired
Why was there no defect of reason in the case of Clarke?
Must be more than absent mindedness or confusion
What is the definition of the disease of the mind?
Legal definition, not a medical one
Can be mental or physical
What case shows the source of the disease is irrelevant?
R v Sullivan
What is the difference between the case of Burgess and Parks?
R v Burgess - had a sleep disorder therefore was an internal matter (Insanity)
R v Parks - sleepwalker but had 3 external factorsSleep deprived 48hrsMajor physical stress Emotional stress - gambling
What is the difference between Hennessy and Quick?
R v Hennessy - forgot to take insulin fell into hyperglycaemic state due to diabetes internal factor (insanity)R v Quick - took insulin failed to eat went into a hypoglycaemic state- insulin was an external matter (automatism)
What is insanity also known as?
Insane automatism
What is automatism known as?
Non-Insane automatism
What is the legal definition of insanity?
The legal definition of insanity has not changed significantly since the M’Naughten case in 1843 and is not explicitly defined by Parliament.
What landmark case established the legal definition of insanity?
The M’Naughten case established the legal definition of insanity.
Are people with irresistible impulses classified as legally insane?
No, people suffering from irresistible impulses do not qualify for the legal insanity defense.
Which case is associated with diminished responsibility in legal insanity?
R v Byrne is the leading case on diminished responsibility.
What must be proven under the M’Naughten rules?
The individual must not know the nature of the act or that it was wrong.
Can people with certain mental disorders use insanity as a defense?
Typically, those with certain mental disorders cannot use insanity as a legal defense.
What legal significance does diabetes have in the context of insanity?
Individuals suffering from diabetes can be considered legally insane, as in the case of Hennessy.
What legal case involved the hardening of arteries in relation to insanity?
The case of Kemp involved hardening of arteries and established a precedent for legal insanity.
Are sleepwalkers considered legally insane?
Yes, individuals who are sleepwalking can be classified as legally insane, as seen in the case of Burgess.