Cranial Nerves
Diagrams/Graphs
miscellaneous
"What" pathway
"Where" pathway
100
What are the sensory cranial nerves? (3)
CN I, CN II, and CN VIII
100
What graph is this?
Rate-intensity function
100
What are the 3 core auditory areas in humans?
A1, R, and RT
100
What stream is associated with this pathway?
Dorsal
100
What stream is associated with this pathway?
Ventral
200
What cranial nerves are motor? (5)
CN III, CN IV, CN VI, CN XI, CN XII
200
Identify this area:
Inferior frontal gyrus
200
In which nucleus do the majority of neurons have non-monotonic rate-intensity function?
MGv
200
What areas are associated with this pathway?
-Core auditory cortex
-Anterior belt auditory cortex
-Inferior frontal gyri
200
Some cells ("Where" pathway) respond best to a combination of ____, ______, and ______
IPD, ILD, and elevation
300
Which cranial nerve deals with hearing and balance?
CN VIII
300
What's this graph and what info does it show?
Frequency tuning curve, frequency encoding
300
What is combination sensitivity?
When a cell responds with either a higher firing rate (facilitation) or a lower firing rate (suppression) to a sound with 2 or more acoustic attributes than would be predicted based on its response to sounds with either one of those attributes
300
What's the purpose of this pathway?
To identify complex sound objects, including speech, music, and environmental sounds
300
What's the purpose of this pathway?
To locate sound sources for purposes of safety, procreation, better communication, and etc
400
Which nerve deals with taste (anterior 2/3 of tongue, somatosensation of outer ear, tonsils, and facial expression?
CN VII, facial
400
Identify this area:
Posterior superior temporal gyrus
400
Where does the belt auditory cortical areas receive input from?
MGd and MGm
400
This pathway is important in which non-speech tasks?
-Temporal pattern discrimination
-Listening in noise
-Stream segregation
400
How does this pathway analyze spatial location?
Binaural cues, elevation cues, and track changes in location over time
500
List the Roman numeral and name of each nerve. (12)
CN I, olfactory
CN II, optic
CN III, oculomotor
CN IV, trochlear
CN V, trigeminal
CN VI, abducens
CN VII, facial
CN VIII, vestibulocochlear
CN IX, glossopharyngeal
CN X, vagus
CN XI, spinal accessory
CN XII, hypoglossal
500
What graph is this and what information does it provide?
Post-stimulus time histogram, temporal encoding
500
What info is conveyed by a neuron's spectrotemporal receptive field (STRF)?
-Frequency encoding information
-Temporal encoding information
-Excitation and inhibition information
500
What are the features processed in this pathway?
Temporal coding, spectral shape/ components and frequency modulation, and amplitude modulation
500
Which cortex plays a role in integrating sensory information and is involved in this pathway for spatial awareness?
Posterior parietal cortex