DP2 - The Cerebral Cortex

Question 1

Cerebral Cortex characteristics (4)

Answer 1

-Covers outer portion of Forebrain (or cerebrum)

-2-3mm thick

-Deep folds increase surface area which allows the brain to fit in the skull

-Generally, the larger the cerebral cortex in an organism, the more bale to display intelligence such as thinking and problem solving

Question 2

3 main functions

Answer 2

-Integration of sensory information

-Control of precise voluntary motor movement

-Higher mental functioning such as abstract thinking and reasoning

Question 3

Sensory areas (3)

Answer 3

-Somatosensory – parietal lobe
-Auditory – temporal lobe
-Vision – occipital lobe

Question 4

Sensory areas purpose

Answer 4

Receives information provided by the various senses (taste, smell, touch, vision, and hearing)

Question 5

Motor cortex

Answer 5

-Sends information about various bodily movements

-There is only one primary motor cortex located in the frontal lobe

Question 6

Association areas

Answer 6

-Involved in higher mental brain functions like decision making, planning, so on

-Integrates information from sensory and motor areas

-Located in all four lobes

Question 7

Four lobes of the cerebral cortex

Answer 7

-Frontal lobe
-Parietal lobe
-Occipital lobe
-Temporal lobe