Course Hero Logo

Brain stem and spinal cord hypothalamus and cerebral

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 46 - 47 out of 47 pages.

Brain stem and spinal cord,hypothalamus,and cerebral cortexHypothalamus is generally main integrative center of ANS activityCerebral input may modify ANS but does so subconsciouslyWorks through limbic system structures on hypothalamic centersBrain stem and spinal cord controlsMedullary centers regulate heart rate and blood vessel diameter, aswell as gastrointestinal activitiesMidbrain controls muscles of pupil and lensSpinal cord controls defecation and micturition but are subject toconscious overrideControl of ANS Function46
Hypothalamic controlsAnterior regions direct parasympathetic functions; posterior region directs sympatheticCenters of hypothalamus controls:Heart activity, blood pressure, temperature of body, water balance, and endocrine activityEmotional responses (rage, fear, pleasure) activated through limbic system signalhypothalamus to activate fight-or-flight systemCortical controlsConnections of hypothalamus to limbic lobe allow cortical influence on ANSVoluntary cortical control of some visceral activities is possibleBiofeedbackAwareness of physiological conditions with goal of consciously influencing themBiofeedback training allows some people to control migraines and manage stressControl of ANS Function47
End of preview. Want to read all 47 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
N/A
Tags
sympathetic ganglia, Parasympathetic division, sympathetic trunk

Newly uploaded documents

Show More

Newly uploaded documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture