Generalised seizures include tonic-clonic and absence seizures. 1. Absence seizures occur mainly in adults. 2. Partial seizures cause motor, sensory or psychic symptoms without loss of consciousness....

Generalised seizures include tonic-clonic and absence seizures.

1. Absence seizures occur mainly in adults.

2. Partial seizures cause motor, sensory or psychic symptoms without loss of consciousness.

3. Generalised muscle contractions do not occur in partial seizures.

4. The excitatory neurotransmitter glutamate is increased in some seizures.