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Although partial seizures affect different physical, emotional, or sensory functions of the brain, they have some things in common:

• No aura
• Begins and ends abruptly (few seconds)
• Brief myoclonic jerking of the eyelids or facial muscles
• Staring into space
• Lapse of awareness
• Prompt recovery

More common in children than in adults, absence seizures almost always start between ages 4 and 12 years. They rarely begin after age 20.

Can have one symptom Tonic or Clonic, or a mixture of both Tonic-Clonic

Tonic seizures cause stiffening of muscles of the body, generally those in the back, legs, and arms. Clonic seizures cause repeated jerking movements of muscles on both sides of the body. Tonic-clonic seizures cause a mixture of symptoms, including stiffening of the body and repeated jerks of the arms and/or legs as well as loss of consciousness. Tonic-clonic seizures are sometimes referred to by an older term: grand mal seizures.  

A person having a generalized tonic-clonic seizure:  

There are many different types of seizures. People may experience just one type or more than one. The kind of seizure a person has depends on which part and how much of the brain is affected by the electrical disturbance that produces seizures.

Types of Seizures include two broad groups:

Primary Generalized Seizures: affects both sides of the brain

• Tonic-clonic
• Absence

Focal aka Partial Seizures : affects one side of the brain

• Electrical system of the brain malfunctions
• Causes a change in awareness, movements, sensations, and behavior
• More than 30 different types of seizures
• Most common symptom of Epilepsy
• Not necessarily the same as having epilepsy
• Some are barely noticeable while others cause muscle jerks or loss of consciousness
• Can last a few seconds to several minutes

Epilepsy, sometimes referred to as seizure disorder  which is a temporary disturbance in brain function. Seizures happen when the electrical system of the brain malfunctions. Instead of discharging electrical energy in a controlled manner, the brain cells keep firing. The result may be a surge of energy through the brain. Disturbances of nerve cell activity produce symptoms, such as unconsciousness and contractions of the muscles, that vary depending on which part (and how much) of the brain is affected.