PHTY209 Lecture Notes - Lecture 1: Habituation, Neuroglia, Basal Ganglia

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8 Jun 2018

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Introduction to Neuroplasticity

• Basic introduction to nervous system

o Two types of cells : neurons and neuroglia

• PNS and CNS

▪ PNS

• Cranial, spinal, autonomic Nerves and their ganglia

• Somatic (voluntary control – motor / sensory info to /from NS)

• Autonomic nervous system (control of body not consciously

controlled)

▪ CNS

• Brain and spinal cord

• Grey = cell bodies of neurons and neuroglia

• White = axons of neurons and neuroglial cells

• Spinal Cord

• Brainstem (medulla, pons, midbrain)

• Cerebellum

• Diencephalon (thalamus, hypo/epi/sub thalamus)

• Cerebral Hemispheres (cortex, subcortical nuclei including basal

ganglia; coverings/meninges)

o Communication via tracts and pathways

o Afferent and Efferent

o Decussation

o Ipsilateral versus Contralateral

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