Anatomy of Auditory & Visual Pathways Flashcards
In what bone are the organs of hearing and balance located?
Temporal bone.
What are the names of the three ossicles in the middle ear?
Malleus, Incus and Stapes
Above the cochlea, input is _______
Bilateral
Where in the brain are the primary auditory cortex and the Auditory Association Cortex?
Superior Temporal Gyrus
Fibres carrying information crying low frequency sound end in which part of the auditory cortex?
Anterolateral
Fibres carrying information regarding high frequency sound end in which part of the auditory cortex?
Posteromedial
What is an alternate name for the Auditory Association Cortex?
Wernicke’s Area
What does damage to Wernicke’s area cause?
Difficulty comprehending language (Aphasia)
What does damage to Broca’s area cause?
Difficulty producing language (Aphasia)
What is unusual about the vestibular pathway?
There is no vestibular cortex - there are several areas
Where is the visual cortex located?
The posterior aspect of the brain (occiput) at Calcimine sulcus.
What are the two parts of the visual cortex?
Primary visual Cortex & Visual Association Cortex
Where is the lower visual field projected to?
Gyrus superior to the calcarine sulcus
Where is the upper visual field projected to?
Gyrus inferior to calcimine sulcus.
Where does vision from the macula project?
Posterior pole of visual cortex
