The cerebrocerebellar system appears to consist of discretely organized parallel anatomic subsystems that serve as substrates for differentially organized functional subsystems. We have proposed that that there is a universal cerebellar transform (UCT), possibly error detection, prevention, and correction utilizing an internal model that facilitates the production of harmonious motor, cognitive, and affective/autonomic behaviors: the cerebellum detects, prevents, and corrects mismatches between intended and perceived outcome of interactions with the environment. Disruption of circuitry linking the cerebellum with the cerebral hemispheres prevents cerebellar modulation of functions subserved by the affected subsystems, and produces dysmetria, the universal cerebellar impairment (UCI). Dysmetria of movement, or ataxia, is matched by "dysmetria of thought", the proposed fundamental mechanism underlying disorders of intellect and emotion resulting from cerebellar dysfunction, including the cerebellar cognitive affective syndrome, abnormalities of affect, and psychotic thinking.
[PDF] Emotion is not sufficient for consciousness. Plants and low animal species have organismic purposes, but little consciousness. Consciousness occurs only when emotion combines with representation, occurring not passively but as an activity of the organism. Emotional agnosics can=t represent what emotions are "about." We are conscious of emotions through representation. Even unconscious emotions still drive the representational processes in which we do engage, and even pure curiosity is an emotion that motivates us to explore our environment and represent what is there (Panksepp 1998).
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