Chapter title Forms of sensory deprivation (e.g. hooding, blindfolding) may be used in combination with other physical and psychological torture techniques to stimulate fear and disorientation. The Istanbul Protocol notes that isolation and sensory deprivation often occur “in order 29 to prevent bonding and mutual identification and to encourage traumatic bonding with the torture”. Sensory deprivation induces stress and anxiety, and at the extreme can lead to psychosis.