Functional organization of the nervous system

  • Receptors convert environmental stimuli into nerve impulses

  • Affarent neurons transmit the impulse to the spinal cord/ brain stem

  • This impulse can either invoke a reflex response or be transmitted to the brain

  • In the brain impulses are appreciated, interpreted, coded and stored in memory

  • From the brain, impulses travel to the spinal cord or brainstem and from there influence muscle activity through efferent neurons

  • The sensory (input) and motor (output) are integrated in the brain