(Abdikareem, 2017)

• Quiz 1 on Canvas, opens at 4:30 PM
• Warm-up
• More neuroanatomy

• A. Pons
• B. 4th ventricle
• C. Cerebellum
• D. Tegmentum

• A. Pons
• B. 4th ventricle
• C. Cerebellum
• D. Tegmentum

• A. Hypothalamus
• B. Hippocampus
• C. Tectum
• D. Medulla oblongata

• A. Hypothalamus
• B. Hippocampus
• C. Tectum
• D. Medulla oblongata

• Right cerebral hemisphere
• Left cerebral hemisphere
• Gyrus/gyri (bumps)
• Sulcus/sulci, fissures (grooves)

• Where is it?
  • Anterior to central sulcus
  • Superior to lateral fissure
  • Dorsal to temporal lobe

• What does it do/contain?
  • Pre-central gyrus (pre/anterior to central sulcus)
    • Primary motor cortex (M1)

• What does it do/contain?
  • Prefrontal cortex
    • Planning, problem solving, working memory…?
  • Anterior cingulate cortex (ACC)
  • Primary olfactory cortex
  • Gustatory cortex

• Where is it?
  • Ventral to frontal, parietal lobes
  • Inferior to lateral fissure

• What does it do/contain?
  • Primary auditory cortex (A-I)
  • Object, face recognition
  • Amygdala, hippocampus
  • Storage/recall of memories about events, objects

• Where is it?
  • Caudal to frontal lobe
  • Dorsal to temporal lobe
  • Posterior to central sulcus

• What does it do/contain?
  • Perception of spatial relations, action planning
  • Post-central gyrus
    • Post-central -> “posterior to” central sulcus
    • Primary somatosensory cortex (S-I)

• Where is it?
  • Caudal to parietal & temporal lobes
• What does it do/contain?
  • Primary visual cortex (V1)

• Where is it?
  • medial to temporal lobe
  • deep inside lateral fissure

• What does it do/contain?
  • Primary gustatory cortex
  • self-awareness, interpersonal experiences, motor control

• Rostral/Caudal axis
  • Spinal column w/ vertebrae
  • Cervical (8), thoracic (12), lumbar (5), sacral (5), coccygeal (1)
  • Spinal segments & 31 nerve pairs
  • Cauda equina

• Organization of the spinal cord
  • Dorsal/Ventral
    • Dorsal root (sensory)
    • Ventral root (mostly motor)
  • Grey (interior) vs. white matter (exterior)

• Somatic division
  • Voluntary sensory & motor function
• Autonomic division
  • Involuntary sensory & motor function
• Cranial nerves
• Spinal nerves

• Afferents (input/sensory), efferents (output/motor), or mixed/both
  • On Old Olympus’ Towering Top…
  • Some Say Marry Money…
• Innervate head and neck
• Olfactory (I), optic (II), (VIII) auditory, vagus (X), etc.
• Spinal nerves

• CNS & PNS components
• Controls “vegetative functions””
  • Limited voluntary control
• Two divisions
  • Sympathetic
  • Parasympathetic

• Prepares body for action
• “Fight or flight””
• Spinal cord
  • ganglion chain along spinal column to End organs
• NTs
  • Preganglionic: ACh
  • Post: NE

• Para -> “around”
• Restorative function
• “Rest & digest”
• Spinal cord -> ganglia near end organs -> end organ
  • NT: ACh

• Cells of the nervous system