The Brain

Question 1

Peripheral Nervous System

Answer 1

Neurons=connect from sensory organs and run through the central nervous system
picks up info from the environment

Question 2

Central Nervous system

Answer 2

Brain and spinal cord tells you when you should move your hand off of a hot plate

Question 3

Sensory Receptors:

Answer 3

brain’s internal sensing

Question 4

Brainstem

Answer 4

keeps breathing and heart rate going

Question 5

Thalamus

Answer 5

Relay station for the rest of the brain, information is sent to thalamus and it sends it up to the brain or down to the body

Question 6

Cerebellum and basal ganglia

Answer 6

Coordination and movement, involved in decision making

Question 7

Limbic System

Answer 7

Emotional processing

Question 8

Hippocampus

Answer 8

Important for spacial memory: damage to this can lead to Alzheimer’s

Question 9

Amygdala

Answer 9

Important for emotional learning, social interactions. Damage can lead to not understanding social norms or lack of reaction response to things

Question 10

Cerebral cortex

Answer 10

wrinkly part of brain, 80% of the total brain volume

Question 11

The Cerebral Cortex: geographical divisions
Occipital Lobe

Answer 11

for vision, involved in visual processing, damage to it will cause blindness

Question 12

Parietal Lobe

Answer 12

Processing the senses, touch, pain, where you are in space. Damage=trouble recognizing where parts of the body are/not sensing pain correctly

Question 13

Frontal Lobe

Answer 13

decision making, damage=impulsivity

Question 14

Primary Sensory areas:

Answer 14

Thalamus sends info to primary sensory areas

Question 15

Primary Motor area

Answer 15

Sends info from the brain to brain stem to coordinate movement out to the spinal cord

Question 16

Association areas:

Answer 16

Info is coming in and being associated together, input from lower parts and across lobes

Question 17

The cerebral cortex: Functional divisions
Topographic organization

Answer 17

Information is arranged in a way that mirrors the real world. If you look at the part of the brain that controls movement, you’ll find that the area responsible for your hand is right next to the area for your arm.

Question 18

The cerebral cortex: Functional divisions
Cortical magnification

Answer 18

The brain gives more attention to certain areas that need more detailed information even if some parts of the body are small i.e (eyes), the brain has more space to process eyes.

Question 19

The two hemispheres: connect by contralateral connections (each side of the brain is controlling opposite sides of the body)
Contralateral vision:

Answer 19

Left visual field processed on right side and right visual field processed on left side.

Question 20

Sharing information between the two hemispheres:

Answer 20

Corpus callosum: connects the two hemispheres together for communication

Question 21

Jobs of Hemipsheres

Answer 21

Left side: verbal, analytical
right side: music perception, face recognition

Question 22

Path of light through the eye

Answer 22

1. Cornea
2. Iris and Pupil
3. Lens
4. Retina

Question 23

Receptive Fields

Answer 23

Why we believe things are processed from vision, neurons fire and can be measured

Question 24

How do Receptive Fields operate?

Answer 24

Detect light, touch or sound, neurons fire and become active when their receptive field detects something relevant.