Mrs Mgomezulu lost her husband, to whom she was married for 36 years. A few months after her husband’s passing, Mrs Mgomezulu consulted a family physician who diagnosed her with uncontrollable hypertension and depression. After realising that the anti-depressants prescribed to Mrs Mgomezulu had little effect, the physician booked her into a psychiatric hospital in Hartbeespoort for further treatment. The treatment Mrs Mgomezulu will receive in the hospital is considered to be a form of ---------------------------.