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A missing link in affect regulation: the cerebellum
Frazier, Madeleine R. Popal, Haroon Sullivan-Toole, Holly
Frazier, Madeleine R.
Popal, Haroon
Sullivan-Toole, Holly
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Journal article
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2022-06-22
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Psychology and Neuroscience
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http://dx.doi.org/10.1093/scan/nsac042
Abstract
The cerebellum is one-third the size of the cerebrum yet holds twice the number of neurons. Historically, its sole function was thought to be in the calibration of smooth movements through the creation and ongoing modification of motor programs. This traditional viewpoint has been challenged by findings showing that cerebellar damage can lead to striking changes in non-motor behavior, including emotional changes. In this manuscript, we review the literature on clinical and subclinical affective disturbances observed in individuals with lesions to the cerebellum. Disorders include pathological laughing and crying, bipolar disorder, depression and mixed mood changes. We propose a theoretical model based on cerebellar connectivity to explain how the cerebellum calibrates affect. We conclude with actionable steps for future researchers to test this model and improve upon the limitations of past literature.
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Madeleine R Frazier, Linda J Hoffman, Haroon Popal, Holly Sullivan-Toole, Thomas M Olino, Ingrid R Olson, A missing link in affect regulation: the cerebellum, Social Cognitive and Affective Neuroscience, Volume 17, Issue 12, December 2022, Pages 1068–1081, https://doi.org/10.1093/scan/nsac042
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Oxford University Press (OUP)
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Social Cognitive and Affective Neuroscience, Vol. 17
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