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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

Cerebellum

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

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