Diminished Responsibility

• R v Byrne


  an abnormality of mental functioning is 'a state of mind so different from that of ordinary human beings that the reasonable man would term it abnormal'
• R v Byrne


  Psychopathy
• R v Miller


  Obsessive fits of jealousy
• R v Seers


  Chronic reactive depression
• R v Ahluwalia and R v Thornton


  Battered woman's syndrome
• R v Tandy


  Alcoholism but only if it has injured the brain and made drinking involuntary
• R v English


  Premenstrual tension
• R v Sanderson


  Paranoia
• R v Hampson


  Wife's constant nagging which caused depression
• R v Egan


  Impairment must be significant but not necessarily total
• R v Dietschmann


  The jury are to disregard the intoxication if D had self-indulged
• R v Wood


  The jury need to ask whether the syndrome led to an abnormality of mental functioning which caused or significantly contributed to D's inability to understand the nature of his conduct