Anaesthesia: Anaesthesia is the use of medications called anaesthetics to prevent pain during surgery or other procedures. This causes a loss of sensation, feeling, and awareness.
Hypnosis: It is a condition in which a person is sleepy but not completely asleep.
Increased intracranial pressure: Increased intracranial pressure is the rise in the pressure inside the skull, which may result in brain injury. It could be due to a rise in the pressure of the cerebrospinal fluid or a rise in pressure within the brain itself.
Seizures: Seizures, also known as fits or convulsions, are a single occurrence of abnormal electrical activity in the brain. Symptoms include mood changes, anxiousness, nausea, dizziness, weakness, headache, muscle jerking, spasms, loss of balance, teeth clenching, rapid blinking or eye movements, biting the tongue, confusion, and loss of consciousness.