LINGUIST 3F03 Lecture Notes - Lecture 4: Central Nervous System, Peripheral Nervous System, Basal Ganglia
27 Nov 2018
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Week 1 & 2: introduction to anatomy and physiology. Speech pathology delineates four systems: respiratory system: involves respiration, phonatory system: produces voiced sound (or unvoiced sounds, articulatory/resonatory system: shapes the oral cavity for production of sounds of speech. How do we produce a certain speech sound: nervous system: controls speech processes. What motor commands do i need to produce a speech sound. Speech requires the integrated action of all four systems. Divided into: central nervous system (cns) Cerebral cortex, cerebellum, thalamus, basal ganglia, brainstem and spinal cord. Made of neruons (transmit information) and glial cells (support neuron function - holds them in place: peripheral nervous system (pns) Cranial nerves - serve head and neck. Spinal nerves - serve the rest of the body. Sensory pathways - afferent: a la casa going to the brain, if someone was tickling you, you"d get sensory information sent to your brain. Neurons - specialized tissue for communicating info: consists of:
