Neurosteroid definition

An animal defending against a predator may engage in either " fight or flight " in response to predator attack or threat of attack, depending on its estimate of the predator's strength relative to its own. Alternative defenses include a range of antipredator adaptations , including alarm signals . An example of an alarm signal is nerol, a chemical which is found in the mandibular glands of Trigona fulviventris individuals. [25] Release of nerol by T. fulviventris individuals in the nest has been shown to decrease the number of individuals leaving the nest by fifty percent, as well as increasing aggressive behaviors like biting. [25] Alarm signals like nerol can also act as attraction signals; in T. fulviventris, individuals that have been captured by a predator may release nerol to attract nestmates, who will proceed to attack or bite the predator. [25]

Most of the narrow spectrum agents are effective for localization-related or focal epilepsies. As an example, gabapentin (a narrow spectrum agent) may work well for a patient with temporal lobe epilepsy (a focal epilepsy), but is unlikely to be effective in juvenile myoclonic epilepsy (a generalized epilepsy). Ethosuximide is another narrow spectrum agent used for absence seizures (a generalized epilepsy), which is generally ineffective for focal seizures. Broad spectrum agents are effective for both types of epilepsies [ 79 ]. If the clinician is unsure whether the epilepsy syndrome is focal or generalized, a broad spectrum agent is usually chosen ( table 3 ).

Neurosteroid definition

neurosteroid definition

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