Unit 3 Terms

Question 1

saccadic eye movement + role

Answer 1

• abrupt movement of both eyes from one point of fixation to another (shifting gaze around)
• keeps new stimuli coming into our eyes so we don’t adapt and start seeing nothingness

Question 2

what are the 4 basic touch sensations

Answer 2

warm, cold, pressure, and pain

Question 3

what are the 5 basic tastes + what did they indicate to our ancestors?

Answer 3

• sweet –> energy
• salty –> sodium
• bitter –> possibly dangerous
• sour –> possibly dangerous
• umami –> protein

Question 4

pheromones

Answer 4

odors produced and picked up by members of the same species that sometimes cause sexual attraction

Question 5

mcgurk effect

Answer 5

if our brain has to contradicting stimuli then it will come up with its own third conclusion of what is going on
ex. if we see a mouth form the word “ba” but we hear the word “fa” then our brain might decide to perceive it as “da”

Question 6

visual cliff

Answer 6

• used to determine whether or not depth perception is innate
  –> it is bc babies and baby animals were hesitant to cross a drop covered by glass