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Week 3 Graham 202

1. How are sensation and perception different?

2. What is transduction? What do taste and smell have in common in terms oftransduction?

3. What is labeled lines? How does this effect the organization of sensory informationinput into the brain?

4. atch the following answers with the correct descriptions!

 """". #hese sensory receptors detect the length of amuscle

 """". #hese sensory receptors detect tension in

muscle """". #hese are the receptors in the auditory system

activated by tip lin$s. """". #hese are touch receptors that detect vibration

and pressure """". #his is considered the %th sense and determines

a body&s location in space. """". #his is the culmination of 3 different senses

 '. (ods). *arcinnian +orpuscle+. +ones,. Hair +ells-. uscle pindles/. /olgi #endon 0rganH. *roprioception. )ody ense

. )riefly describe the transduction that occurs as sound enters the ear canal. ouranswer should describe how sound energy mechanical energy5 transduces toelectrochemical energy.

%. 'musia is a type of """"""""""""""""""""" deafness.6. +ochlear implants are useful in compensating for

 """"""""""""""""""""""""""deafness and """""""""""""""""""" deafness7

however it is ineffective in compensating for """"""""""""""""""""" deafness.8. ,re9uency is e9ual to wave """""""""""""""" as intensity is e9ual to wave

 """""""""""""".

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Week 3 Graham 202

;. <escribe tonotopic organization and where it occurs? How is this reflected in

auditory corte=.

1:.What is the difference between place coding and temporal coding.

11. What is a sound shadow? How is it formed?

12.,ill out the following diagram then answer the following 9uestions

a. Which of these parts is a soft fle=ible membrane? """""""""""""""""" 

b. Which of these parts facilitates transduction? """""""""""""""""""" 

13. ,ill out the following diagram.

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Week 3 Graham 202

 

14.#or ,! #he image in >13 is the site of transduction?

1.What is )ody sense? What does it culminate?

1%.What do muscle spindles sense?only when its stretched5 ength

16. What does the golgi tendon sense? both states tension5 #ension

18.n the ynesthesia #-< tal$ in class. What did <r. (amachandran suggest is themain source of synesthesia.

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Week 3 Graham 202

1;. n the 0liver sacs chapter what type of sense did +hristina loose? What waspeculiar about her condition?

2:. i$a was listening to some bass trap music at a high intensity on a pair of headphones. When they too$ their headphones off their ears were both muffled theycould hear ringing. #his is most li$ely due to damage in the """""""""inner ear@middle ear@ outer ear5#his is a type of""""""""" +entral deafness@ +onductiondeafness@ ensorineural5

21. When i$ey was younger he was in an accident near a very loud e=plosion.Aow heis unable to ma$e out very high fre9uency sounds. #his is most li$ely a type of

 """"""""""""+entral@ +onduction@ ensorineural 5deafness and reflects damageto the )ase@#op5 of the basilar membrane. 'lthough these are damaged7 i$ey

can@ cannot5 tell where sounds are in space.

22. When (uby awo$e one morning she was unable to stand up straight and felt herperception of the room begin to flip upside down and her gait became uneven. #hisphenomenon is $nown as vertigo. #his is most li$ely due to a damaged vestibular7proprioceptive7 visual5 sense?

23.0ne night /en noticed that he began to feel boundless and free from his body. Hebegan to loose his sense of self and he as if he himself was floating in dar$ness.When the lights came on he regained some sense of his body7 but only the parts thathe could see. He most li$ely has issues with proprioception@ body sense5. He will

most li$ely only be able to move when he can see his body@ only be able to move inthe dar$@ or not be able to move at all5

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