Exam 3
Study Guide
*Note: This guide is not intended to list all the possible topics/ ideas that may appear on the test, but rather to help
guide your studying to the most important/key ideas
Exam 3 will cover materials presented from lectures 10/22 -11/10, group activities # 5 and 6, and homework
assignment # 4
Online Review: 11/11 (WEDNESDAY): 7:30 pm: https://cuboulder.zoom.us/j/96378379910
Homework Assignment # 4, Group Activities # 5 and 6 AND the Weeks # 10 and 11 Quiz questions are excellent
practice for Exam 3!
Video walkthroughs:
o Outer Ear: https://youtu.be/rWCXjwGC6nI
o Middle Ear: https://youtu.be/gY4FFWzCkUc
o Organ of Corti: https://youtu.be/kGwkx6WYyOg
o Hair Cell Transduction: https://youtu.be/TE_T8_QmZ4M
o Sound Frequency Encoding in the Cochlea: https://youtu.be/Et2G-yey8aE
Exam 3 will open at 7 am and close at 10 pm on Thursday, 11/12
o You can access the exam under the ‘Assignments’ tab or in the Section 3 Module (on Canvas)
o TIMED. 45 minutes, 30 or 31 questions and only one attempt
o You MUST be somewhere with a reliable internet connection
o You MAY NOT work with anyone else on the exam
o You CAN drop this exam grade
I will be available to answer questions via my Google voice number from 7am – 12:45 pm; 2:20 – 3:50 pm and
5:10 – 10 pm (number provided when you log into the exam)
All short answer questions will be hand-graded by Tuesday, 11/17 and Exam 3 grades and answers to Exam 3 will
be released once these short answer questions are graded
We will not have class on Thursday, 11/12, but WILL have class on Tuesday, 11/17
YOU CAN DO THIS!
1. Sensory Systems
What is the difference between sensation and perception?
What are the four things all sensory systems have in common?
What is the environmental stimulus for each of the senses?
What are the sensory organs for each of the senses?
What are the sensory receptors for each of the senses?
What is the basic idea of the doctrine of specific nerve energies?
What is synesthesia? How common is it? Be prepared to provide an example.
2. Properties of Sound
1
, What is the environmental stimulus for hearing? What are the two things that determine tone?
What two things describes/determine a tone?
Be prepared to identify an example of each thing that describes/determines a tone.
3. Anatomy of the Ear
Know the names and functions of the main parts of the ear and be prepared to identify each of
these on a schematic of the human ear.
What is the function of the middle ear?
What are the main parts of the middle ear? Be prepared to identify each of these on a
schematic of the human ear.
What are the two muscles that can control the vibration of the ossicles of the middle ear? What
purpose/role do they both play together/globally?
What is the function of the round window of the ear?
Which part(s) of the ear are filled with fluid? Which part(s) of the ear are not filled with fluid?
Know the names and functions of the main parts of the cochlea and be prepared to identify
each of these on a schematic of the human ear.
Know the names and functions of the main parts of the Organ of Corti and be prepared to
identify each of these on a schematic of the human ear.
4. Sound Transduction
What are the steps in how sounds are transduced into an electrical signal in the Organ of Corti
Which parts of the basilar membrane vibrate in response to low, medium and high frequencies?
5. Auditory Brain Regions
What is ‘special’ about the brain regions that process sound?
What two cues are used to localize sound?
6. Causes of Deafness
What are the three ways deafness can occur?
Which form of deafness can/do cochlear implants treat?
7. McGurk Effect (Group Activity # 5)
What part of the McGurk effect was sensation?
Which part of the McGurk effect was perception?
What was the main conclusion of the McGurk effect demo?
8. Homeostasis
What are the three components of homeostasis?
Why is a heating system/thermostat a good model for homeostasis?
9. Feeding/ Energy Regulation
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