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Stereotypies, why and how

Veenman, K.M. (2010) Stereotypies, why and how. Bachelor's Thesis, Biology.

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This paper summarizes recent findings on the ‘how’ and ‘why’ of stereotypic behaviours. The focus will be on the ‘how’ question and will in particular discuss the caustions of stereotypies and the underlying mechanism in which stereotypic behaviours develop. First I will outline stereotypic behaviours from a welfare perspective and address in brief the evolutionary aspect and possible functions of stereotypies (the ‘why’ question). This section will be more outlined in the discussion part. Then two paradigms in sciences will be discussed about the ‘how’ of stereotypic behaviours. The first will be from a physiological perspective, that supports the idea that a physiological discomfort is the trigger to perform a stereotypy. The second paradigm is from a neurophysiological point of view and shows that the development of a stereotypy is caused by changes in the mesoaccumbens dopamine pathway within the brain, which forms the base for the development of a stereotypic behaviour. This paradigm will be demonstrated with a neurological model of stereotypic development and shows chronic stress and a predisposition in the genotype as being extremely important to the underlying causes. With the extend that stereotypies can have advantages and disadvantages as well, it is questionable whether we should treat stereotypies or not. This will be more outlined in the discussion part.

Item Type: Thesis (Bachelor's Thesis)
Degree programme: Biology
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 15 Feb 2018 07:31
Last Modified: 15 Feb 2018 07:31

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