L1-4 nervous system

• central nervous system includes the:

  brain and spinal cord
• peripheral nervous system includes the:

  cranial and peripheral nerves
• above=


  superior
• below=


  inferior
• front=


  anterior/ventral
• back=


  posterior/dorsal
• close to midline=


  medial
• away from/next to=


  lateral
• side on view=


  sagittal
• view cut from shoulder to shoulder=


  coronal
• view from top and bottom being separated=

  transverse
• white matter is:


  myelinated
• grey matter is:


  unmyelinated
• parts of the brain

  labels

  A) cerebrum

  B) brainstem

  C) cerebellum

  
• cerebrum is the largest part of the brain
• cerebellum function:


  balance and coordination
• brainstem function:


  communication with the PNS to control involuntary processes
• what are the 4 lobes of the brain?

  frontal, parietal, temporal and occipital
• the outer layer of the cerebrum is composed of the _

  cerebral cortex
• frontal lobe function:


  higher cognitive function, language and voluntary movement
• parietal lobe function:


  information from the visual pathway integrated, coordinates motor movement, interpreting sensory information
• temporal lobe function:


  interpreting speech, hearing, object recognition and emotion
• occipital lobe function:


  processing primary visual information
• the 2 hemispheres of the brain are connected by the:

  corpus callosum
• what is the limbic system?


  A complex network of brain structures involved in emotions, motivation, and memory
• what is found in the subcortical regions?


  Amygdala, hippocampus, thalamus, hypothalamus, basal ganglia.
• what is the function of the midbrain?


  connection between the brainstem and the subcortical regions
• what is found in the midbrain?


  colliculi, tegmentum, cerebral peduncle
• spinal cord function:


  link CNS and PNS
• 5 sections of the spinal cord:

  cervical, thoracic, lumbar, sacral, coccygeal
• cervical spinal cord=


  neck
• thoracic spinal cord=


  chest
• lumbar spinal cord=


  lower back
• sacral spinal cord=


  hip
• coccygeal spinal cord=


  tail
• peripheral nervous system is split into:

  labels

  A) somatic

  B) autonomic

  
• sympathetic nervous system is responsible for:

  fight or flight response
• parasympathetic nervous system is responsible for:

  stimulating the rest and digest pathway
• sympathetic and parasympathetic NS work together to maintain _

  homeostasis
• afferent pathways role:


  carry sensory information from periphery to brain (ascending nerve tract)