Tutorial 6 - Other Senses

Which of the following about cochlear implants are FALSE.

• They convert sound waves into electrical signals.

• They electrically stimulate the auditory nerve in a frequency coded manner.

• They do not produce any noise when operating.

• They amplify the incoming sound waves.

Which of the following is NOT a limitation of cochlear implants?

• It is harder for users to understand tonal languages like Thai.

• They fail to relay pitch and timbre.

• They cannot be used by patients with complete peripheral hearing loss.

• It is difficult to isolate individual voices talking in a crowd.

Which of the following are main difference(s) between A-beta and C-tactile processing?

[You may choose more than one answer.]

• C-tactile afferents conduct more quickly.

• Firing rate is proportional to pleasure only for C-tactile afferents

• They have different projection targets.

• They have different velocity response curves.

• Only C-tactile afferents are for detecting discriminative touch

What stroking speed produces the most intense stimulus for C-tactile afferents?

• 1-10 mm/s

• 1-10 cm/s

• 10-20 mm/s

• 10-20 cm/s

Select the basic taste(s). [You may choose more than one answer.]

• Sweet.

• Sour.

• Bitter.

• Spicy.

• Salty.

Circle the region where we find the most intensive taste experience.