<unk>  <unk>  is a neurological phenomenon in which a weaker prestimulus<unk>  inhibits the reaction of an organism to a subsequent strong startling stumulus (pulse). The stimuli are usually acoustic, but tactile, light, airpuff stimuli are also used. The reduction of the amplitude of startle reflects the ability of the nervous system to temporarily adapt to a strong sensory stimulus when a preceding weaker signal is given to warn the organism.<unk>  is detected in numerous species ranging from mice to human. Although the extent of the adaptation affects numerous systems, the most comfortable to measure are the muscular reactions, which are normally diminished as a result of the nervous<unk> .
Deficits of<unk>  manifest in the inability to filter out the unnecessary information; they have been linked to abnormalities of sensorimotor gating. Such deficits are noted in patients suffering from illnesses like schizophrenia and Alzheimer’s disease, and in people under the influence of drugs, surgical manipulations, mutations. Human studies of<unk>  have been summarised in a review by Braff et al. in 2001.
Prepulse inhibition
Affectional bond
Fukuyama coupling
Cognitive-shifting
Autoregulation
Belief propagation
Amodal perception
Dielectric relaxation