AUD 6305: CANS, Part 2

Select the main sections of the inferior colliculus.

• External Cortex of the Inferior Colliculus

• Central Nucleus of the Inferior Colliculus

• Ventral Cortex of the Inferior Colliculus

• Cochlear Nucleus of the Inferior Colliculus

• Dorsal Cortex of the Inferior Colliculus

"Ventral/rostral" refers to:

• Posterior (back)

• Toward the midline of the body

• Toward the side of the body

• Anterior (front)

The majority of IC neurons are broadly tuned.

• True

• False

A neuron who's firing rate continuously increases as sound level increases

has this type of rate-intensity function.

• Non-monotonic

• Saturating

• Monotonic

This occurs when binaural sound stimulation

significantly increases the excitatory response of a neuron.

• Binaural facilitation

• Contralateral excitation

• Binaural integration

• Interaural attenuation

Some neurons in the IC change their firing pattern

as the location of a sound source changes.

• True

• False

The final relay station before sound information travels to the auditory cortex.

• Inferior Colliculus

• Medial Geniculate Body

• Broca's Area

• Temporal Cortex

What is another name for the "Sylvian Fissure"?

• Wernicke's area

• Primary auditory cortex

• Superior temporal gyrus

• Lateral sulcus

The thalamocortical pathway travels

from the thalamus to the superior gyrus via the _______.

• Heschl's gyrus

• Superior temporal sulcus

• Lateral lemniscus

• Internal capsule

What is the "brain within a brain"?

• Corpus callosum

• Insula

• Globus pallidus

• Putamen