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Summary FLG 211 Unit 4 Notes
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Unit 4 notes on FLG 211. The notes are made using the lecture slides, textbook and extra information given by lecturers during class. I got a distinction using these notes. Thank you for your support. I hope you enjoy Physiology as much as I do. Good luck!

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  • April 12, 2024
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FLG 211 Copyright Micaela de Jager




Unit 4 – Sensory Physiology


UNIT 4.1 – GENERAL PROPERTIES OF SENSORY SYSTEMS

SENSORY PATHWAY
Stimulus Receptors
•Internal •Sense organs Electrical Affarent CNS
•External •Transducers potential pathway integration
•Energy source




There is a control mechanism in all the physiological mechanisms:

1. Sensory pathways begin with a stimulus.
2. Sense organs (receptors) pick up information and send it with the afferent pathway to the CNS
3. Integration will occur
4. There will be a response




Sensory stimuli


Special senses Somatic senses


Vision Touch


Hearing Temperature


Taste Pain


Smell Proprioception


Equilibrium




MICAELA DE JAGER 61

, FLG 211 Copyright Micaela de Jager



UNIT 4.2 – SOMATIC SENSES

SOMATIC SENSORY SYSTEM
2 tracts:

Spinothalamic tract (anteriorlateral tract) Spinocortical tract (posterior tract)
• Nociception (sensing pain) • Proprioception (awareness of body position /movement)
• Coarse touch • Fine touch
• Temperature • Vibration

This pathway crosses the midline in the spinal cord This pathway crosses the midline of the medulla




Spinocortical tract




Spinothalamic tract




NEUROBALANCE
Balance of brain is essential to overall wellbeing and performance. Once the brain is balanced, the body follows

Brainwave optimization:




MICAELA DE JAGER 62

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