Epilepsy maybe. Here is some info from the Health Communities website - Epilepsy-Seizures...
"Symptoms of Simple Partial Seizures
Symptoms may be motor, sensory, psychic (states of consciousness), and/or autonomic (involuntary activity controlled by the autonomic nervous system). There is no impairment of consciousness in simple partial seizures.
While there is a wide range of potential signs and symptoms, for most patients symptoms are stereotypical.
Motor signs include the following:
Alternating contraction and relaxation of muscle groups
Eye movements and turning of the head to the same side
Asymmetrical posturing of the limbs
Speech arrest, vocalization
Sensory symptoms include the following:
Seeing flashes of lights or colors, illusions and hallucinations
Hearing humming, buzzing, hissing noises
Experiencing unpleasant odors and tastes
Autonomic signs and symptoms include the following:
Borborygmi (rumbling noises produced by gas in the intestines)
Piloerection (goose bumps)
Tachycardia (rapid heart rate)
Psychic symptoms include the following:
Memory distortion: flashback, deja vu (feeling that one has seen something before), deja entendu (feeling that one has heard something before), jamais vu (feeling that one has never seen something that is familiar), jamais entendu (feeling that one has never heard something that is familiar), panoramic vision (rapid recall of past events)
Unprovoked emotion: fear, pleasure, displeasure, depression, anger, elation, eroticism"