"Like most units around the country, we recognize environmental noise and excessive stimulation can have a detrimental effect," he said.

The principle side effects reported are excessive stimulation and high blood pressure.

Excitotoxicity is the pathological process by which nerve cells are damaged and killed by excessive stimulation by neurotransmitters such as glutamate and similar substances.

Indeed, excessive stimulation of the needles may exacerbate the symptoms.

Hallucinations can also be brought about by excessive dopaminergic stimulation.

It would adjust his circadian rhythms, ensuring late-night alertness, without the excessive stimulation and exaggerated confidence that amphetamines could induce.

The company has acknowledged this potential effect and offers tutorials with recommendations for use of layout to avoid excessive visual stimulation.

They are however not recommended due to concerns regarding excessive cardiac stimulation.

These symptoms can be traced back to excessive stimulation of nicotinic cholinergic neurons.

This leads to continuous or excessive stimulation of neurons that respond to acetylcholine.