This might have been done in order to avoid the stereotypy of models.

A stereotypy is a repetitive behavior related to mental impairment.

The stereotypy of these patterns is, perhaps, the most striking phenomenon in modern arthropods.

The reason for this was increased stereotypy.

There is a high degree of stereotypy of song within individuals, both within and among seasons.

Most important, do increased complexity and stereotypy of development from egg to adult put a brake upon potential changes of great magnitude?

Examples of early tics are things like blinking and throat clearing, while arm flapping is a more common stereotypy.

Despite this, at least one study suggests that serotonergic effects are not necessary for the development of stereotypy in rodents treated with stimulants.

The voice: stereotypy.

In animal behavior, stereotypy, stereotypical or stereotyped behavior has several meanings, leading to ambiguity in the scientific literature.

In rodents it has been shown to produce hyperactivity, stereotypy, hypothermia, antinociception, and penile erection, among other effects.

The fixed duration, the stereotypy, of the growth phase, makes it possible for particular things to happen at particular times during embryonic development, as if governed by a strictly observed calendar.

This route stereotypy, as it is called, implies that the birds use visual cues to navigate: they follow the same cues in order to reduce the memory load on their brains.

It induces sedation, hypothermia, ptosis, and (in higher doses) catalepsy; it inhibits spontaneous motor activity, conditioned avoidance response, amphetamine toxicity and stereotypy.

Soon after, the juvenile song shows certain recognizable characteristics of the imitated adult song, but still lacks the stereotypy of the crystallized song - this is called "plastic song".

Captive great apes show gross behavioral abnormalities such as stereotypy of movements, self-mutilation, disturbed emotional reactions (mainly fear or aggression) towards companions, lack of species-typical communications, and generalized learned helplessness.

Teitelbaum, P.; Pellis, S. M., DeVietti, T. L. Disintegration into stereotypy induced by drugs or brain damage: A micro-descriptive behavioral analysis.

One such habit that may affect the development of meth mouth is bruxism, particularly as the drug's effects wane and stereotypy occurs, a phase that is often referred to as "tweaking".

Finally, after two or three months of song learning and rehearsal (depending on species), the juvenile produces a crystallized song, characterized by spectral and temporal stereotypy (very low variability in syllable production and syllable order).

Rather, as Adolf Meyer would later complain with respect to dementia praecox, "Kahlbaum's catatonia was liberally extended so as to include everything that showed catalepsy, negativism, automatism, stereotypy, and verbigeration" (Meyer, 1910, p. 276).

Feather picking is not a true stereotypy and is more like hair pulling in human and loud vocalizations or screaming can be a stereotypy but vocalization is part of a parrot's natural behavior.

Several references were presented suggesting not only that drugs that increase central dopaminergic transmission increase locomotor activity and induce stereotypy and hyperkinesia but also that neuroleptic drugs like haloperidol, that block dopamine receptors, induce hypokinesia and rigidity.