KIN 2500 Lecture Notes - Lecture 34: Pyramidal Tracts, Basal Ganglia, Syphilis
25 Apr 2016
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A sensation is the conscious or subconscious awareness of changes in the external or internal conditions of the body. For a sensation to arise, four events typically occur: Stimulus a change in the environment that triggers the sensory receptor can be either internal or external. Sensory receptor has to convey the stimulus to a nerve impulse. Conduction nerve impulse has to be conducted along a neural pathway to the brain. Integration neural pathway is interpreted in the brain. Conscious awareness and interpretation of the sensation (stimuli) Consciously knowing what the changes in our environment is. Unique kind of sensation such as touch, pain, temperature, vibration, vision, hearing. Most have the ability to adapt; the longer that sensation goes on, the stronger the ability adaptation to get used to it. Our neurons and our sensory neurons can adapt. Ex: jumping in a cold swimming pool your body adapts to that temperature. Sensations can be grouped into two classes:
