Brain diagram

Frontal Lobe

Home of Reason and Intellect

.01-.10 BAC

  • lowering of inhabitions
  • reduced self control
  • reduced judgment capacity
  • dulling of attention
  • feeling of well-being

Parietal Lobe

Home of Emotions

.10-.30 BAC

  • distortion of sensory ability
  • unsteadiness of movement
  • loss of some fine motor skills
  • speech disturbance

Occipital Lobe

Home of Perception

.20-.30 BAC

  • loss of color perception
  • distortion of vision
  • double vision
  • loss of depth perception


Home of Voluntary and Involuntary Functions

.25-.35 BAC

  • coordination impairment
  • serious problems with balance

Medulla Oblongata

Home of Vital Life Functions

.35-up BAC

  • continued intake may begin to affect regulatory functions at high BAC