In this review, we are pitting two theories against each other: the more accepted theory, the
number sense theory, suggesting that a sense of number is innate and non-symbolic …

Stereotypies are repetitive, invariant behaviour patterns with no obvious goal or function.
They seem to be restricted to captive animals, mentally ill or handicapped humans, and …

Repetitive behaviour is widely known to be one of three core and defining features of autism
(ICD-10, World Health Organisation, 1990; DSM-IV, American Psychiatric Association …

This article considers the evidence for an imitative deficit in autism and for the possible role
of deficiencies in the representation of actions. An argument is developed for the claim that …

Traditionally, research on human stress has relied mostly on physiological and
psychological measures with a relatively minor emphasis on the behavioral aspects of the …

Stereotypies often develop in environments that independent evidence shows cause poor
welfare. Thus the development od stereotypies indicates that well-being has probably been …

Many forms of psychopathology in higher animals and humans include the production of
maladaptive, repetitive behaviour. Behaviour which is both repetitive and excessive in …

Abnormal behavior in captive rhesus monkeys can range from active whole‐body and self‐
directed stereotypies to self‐injurious behavior (SIB). Although abnormal behaviors are …

Psychiatry and Psychosomatic Medicine are concerned with medical conditions affecting
brain, mind and behaviour in manifold ways. Traditional approaches have focused on a …

The high incidence of stereotypic behaviors in zoo bears (van Keulen‐Kromhout:
International Zoo Yearbook 18: 177–186, 1978) suggests that the environment of these …