Neal Notes: Brain Damage

Brain Damage:

⁃ Tumors

a. Malignant: cancerous, can spread to other parts

b. Benign: non-cancerous, tend to grow more slowly, do not spread. Puts pressure on the brain.

⁃ Stroke: disruption of blood supply to the part of the brain leading to injury

a. Ischemic: clot obstructing the flow of blood to the brain

b. Hemorrhagic: blood vessel ruptures

⁃ Aneurysm: weakened artery wall that can bulge and rupture, can occur in other parts of the body.

Lateralization of the Cortex:

⁃ Contra-laterally: left side, right side

Cerebral Cortex:

⁃ Occipital Lobe: Eyes

a. If damaged, hallucinations, can’t track eyes, can’t see colors properly, cortical blindness.

⁃ Parietal Lobe: Sense of Self

a. Sensory information, touch, temp, pain, manipulation of objects, somatosensory cortex

b. Language processing

c. If damaged, mess up how you perceive things

⁃ Temporal Lobe: Auditory Cortex

a. If damaged, impairment of language comprehension

⁃ Frontal Lobe: Conscious Thought

a. Decision making

b. If damaged, Phineas Gage, teenagers