Page |53 between lower-level physical or such as a decrease in blood pressure and homeostatic challenges and higher-level compromised circulation. psychological and social stressors. Basic Although this reciprocal mode of homeostatic reflexes, rene ' a " abMEED regulation of the autonomic branches has mae ene Teac tind oom bod considerable utility, and is characteristic PROCESSES SUCH As DOE Pressure, DOCy of basic reflex organizations, it may not temperature, and bleed sugar, are largely always be optimal. The autonomic hard-wired and organized at relatively nervous system provides the basic low levels eitite nervous system, Sua as support for action and adjustment, and the brainstem and spinal cord. A n although it figures prominently in example comes from autonomic nervous survival related functions. it also SyeeE regulanionot cantovaseular provides the basic visceral support for finrehien. “The sympathetie division atthe emotional and cognitive operations as autonomic nervous system 1s an well. It has long been recognized that activational, energy mobilization system cognitively demanding tasks elicit that See taiie play °. ii face = f greater autonomic activation than is aeaplve Challenges. Synipallene needed to meet the metabolic demands activation increases heart rate and results of the tasks. Moreover, ascending neural m pecpheral vasoconstriction, hth Gi signals to the brain from visceral organs which tend to increase blood pressure. In such as the heart and blood vessels serve contrast, the parasympathetic division is to modulate and regulate cognitive an energy-conserving, deactivational activities (5). The notable early brake: that generally OPPOses the psychologist, William James, proposed symipatetic system, welding decreases that emotion is the experience of inn Sei etc IL, BLOC Pressure. the somatovisceral sensory feedback. James barorecepto r heart rate reflex sa suggested that we do not run from the homeostatic reriex tat funeto ng 10 bear because