Serotonin, acetylcholine and GABA are the neuromediators most involved in tonic immobility
(TI). TI duration, in fact, decreases in rabbits following systemic serotonin administration and …

Tonic immobility (TI) is a temporary state of profound motor inhibition induced by situations
that generate intense fear, with the objective of protecting an animal from attacks by …

Tonic immobility (TI) is an inborn defensive behavior characterized by a temporary state of
profound and reversible motor inhibition elicited by some forms of physical restraint. We …

Tonic immobility (TI) is a temporary state of profound motor inhibition induced by situations
that supposedly generate intense fear, with the objective to protect the animal from attacks …

Ribeirão Preto, University of São Paulo, Brazil Tonic immobility [TI] behavior is a reversible
innate defense response characterized by profound physical inactivity and a relative lack of …

Tonic immobility (TI) is an inhibitory behavioral response during which the animal presents
profound physical inactivity and a relative lack of response to the environment. This …

This chapter summarizes the main neurophysiological characteristics of tonic immobility (TI),
in many susceptible species of mammals and birds. During TI, cortical EEG shows high …

The tonic immobility (TI) response is an innate fear behavior associated with intensely
dangerous situations, exhibited by many species of invertebrate and vertebrate animals. In …

Tonic immobility (TI) is considered to be an innate fear response characterized by a
temporary state of profound and reversible motor inhibition. TI occurs in a wide range of …

Tonic immobility (TI), also known as death feigning or animal hypnosis, is a reversible state
of motor inhibition that is not only triggered by postural inversion and/or movement …