CBSE Class 10 Answered

Epilepsy is a disorder that disturbs the normal pattern of neuron activity -- from illness to brain damage to abnormal brain development. Epilepsy may develop because of an abnormality in brain wiring, an imbalance of nerve signaling chemicals called neurotransmitters.

The symptoms are confused memory, the person becomes stiff, suddenly, for no obvious reason, the person seems dazed, and unable to communicate.extreme tiredness.

Epileptic attacks happen when an abnormal electrical discharge occurs in the brain, disturbing its normal function.

During an attack, these discharges may be caused due to :

(i) twitching of the muscles

(ii) abnormal sensations (eg strange taste or smell)

(iii) emotional symptoms such as fear

(iv) loss of consciousness.