Definition
Irritability is a term generally used to explain an emotional state and is characterized by an excessive response to stimuli. The term is used in many circumstances ranging from a child or parent dealing with an uncomfortable environment to very serious issues such as autism and other psychological disorders, acute or chronic infection, chronic disease, brain injury, and so on. Irritability may be demonstrated in behavioral responses to physiological and behavioral stimuli such as environmental or emotional stimuli. Irritability is not a symptom of any specific illness; however, it may be used as an early sign of serious problems.
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Kolakowsky-Hayner, S.A. (2017). Irritability. In: Kreutzer, J., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-56782-2_2093-2
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DOI: https://doi.org/10.1007/978-3-319-56782-2_2093-2
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