Question

In: Anatomy and Physiology

Please match location of processing with statement of function. Answers may be used more than once...

Please match location of processing with statement of function. Answers may be used more than once or not at all.

a. Cochlear nucleus

b. Superior olivary complex

c. Inferior colliculus

d. medial geniculate body

e. cerebral cortex

1. _____ Recognition of the identity of a signal occurs here.

2. _____ This provides the first level of processing of the auditory signal in the brainstem.

3. _____ This provides the primary localization processing of high frequency sound.

4. _____ This is the final nucleus before a signal reaches the cerebrum

5. _____ This provides the primary localization processing of low frequency sound.

6. _____ A signal can be consciously processed at this level.

7. _____ This is the first site of binaural interaction.

8. _____ This is a relay of the thalamus

Solutions

Expert Solution

1. Cochlear nucleus

2.Cochlear nucleus

3.superior olivary complex

4. Medial geniculate body

5. Inferior colliculus

6. Cerebral cortex

7. Superior olivary complex

8. Medial geniculate body

Explanation--

Auditory pathway :

  • The cochlear nucleus receives the input from the neurons responding to the high tone that originate from the basal part of cochlea.
  • superior olivary nucleus is the first nucleus in the auditory pathway that integrates the binaural stimulus. It contributes to the localization of source of sound.
  • Inferior colliculus projects to the midbrain reticular formation and periaqueductal grey, thus it mediates the arousal and attention of the auditory stimuli. It projects into the vernal part of cerebellum, thereby, maintaining the posture In response to sound.
  • The medial geniculate body and the auditory complex mediates the conscious perception sound.
  • Primary auditory complex is located in the sylvian fissure, in the superior portion of temporal lobe.
  • In the auditory cortex of humans, the high tones are represented posteromedially and low tones are represented in anterolateral part

Sydney Mullin answered 1 year ago
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