CSD 405- Final Exam Study Guide (Mod 7-9) || with Complete Solutions.
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CSD 405
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CSD 405
There are 4 types of cells in the cortex: pyramidal, stellate (aka granular), fusiform, and horizontal cells of Cajal. Which of these are Golgi II cells? correct answers stellate; horizontal cells of Cajal
Subcortical processing is as follows:
(A) Cochlea
(B) Anterior ventral cochlear nucleus
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CSD 405- Final Exam Study Guide (Mod 7-9) || with
Complete Solutions.
There are 4 types of cells in the cortex: pyramidal, stellate (aka granular), fusiform, and
horizontal cells of Cajal. Which of these are Golgi II cells? correct answers stellate; horizontal
cells of Cajal
Subcortical processing is as follows:
(A) Cochlea
(B) Anterior ventral cochlear nucleus
(C) Posterior ventral cochlear nucleus
(D) Multipolar cells of ventral cochlear nucleus (AVCN and PVCN)
(E) Superior olivary complex
(F) Inferior colliculus
(G) Medial geniculate body correct answers (A) First stop: Analyzes frequency, intensity, and
durational cues of the speech signal, and transduces this information into nerve impulse patterns
(B) Retain and relay the frequency, intensity, and durational patterns received from the cochlea
(C) Codes frequency bands and transmits information to the inferior colliculus
(D) Codes stimulus onset, change, and termination information, and transmits to the inferior
colliculus
(E) First area of auditory system to receive binaural input
(F) Integrates information from lower brainstem, and sends to the medial geniculate body
(G) Integrates and codes for frequency and modulation of sounds, and interacts with cerebral
cortex
T or F: Top-down analysis refers to the analysis of speech sounds that occurs as neural
information travels from the cochlea through the brainstem and thalamus to brain, and within the
cerebral cortex. Bottom-up analysis refers to analysis of speech sounds within cerebral cortex
that compares stored images (memory) with speech input. correct answers False
The conscious awareness of speech is _________. correct answers Speech perception
T or F: The McGurk effect occurs when the auditory signal for one sound is paired with the
visual signal for another sound, altering the perception of the sound detected. correct answers
True
The cell layers of the neocortex are structurally organized horizontally. How are the cells
functionally organized? correct answers In vertical columns
Neocortical columns communicate with each other by way of _________ pathways formed when
axons of projection fibers of one column enter the white matter deep to the neocortex and then
enter another column. correct answers Association
Match the areas known to be involved in speech perception:
(A) Area 22
, (B) Arcuate fasciculus
(C) Areas 41 & 42
(D) Areas 44 & 45
(E) Planum temporale correct answers (A) Association auditory cortex involved in extracting the
speech signal from the background auditory signal.
(B) A long association pathway that projects from area 22 and terminates in the area triangularis
(Brodmann's areas 44 and 45) and the prefrontal cortex
(C) Primary auditory cortices
(D) Area triangularis or Broca's area, critical to processing motor speech
(E) Part of Area 22 and an asymmetrical structure that forms the heart of Wernicke's area, this
structure appears to be critical to speech perception
Match the neocortical cell layers:
(A) Molecular or plexiform layer
(B) External granular layer
(C) External pyramidal layer
(D) Internal granular layer
(E) Internal pyramidal layer
(F) Fusiform or multiform layer correct answers (A) First layer of the neocortex which contains
dendritic and axonic arborizations of other cells with only a few cell bodies of cells of Cajal.
(B) Second layer of the neocortex which contains stellate, or granular cells, which are
interneurons.
(C) Third layer of the neocortex which contains primarily pyramidal cells, and some stellate
cells, and receives information from other portions of the cerebral cortex.
(D) Fourth layer of the neocortex which contains primarily stellate or granular cells, and a few
pyramidal cells, and receives most of the terminal endings of the thalamocortical axons.
(E) Fifth layer of the neocortex which contains primarily pyramidal cells, and some stellate cells,
whose axons form projection fibers that go from the cerebral cortex to subcortical structures and
other cortical areas.
(F) Sixth layer of the neocortex found immediately above deep white matter of the cerebral
cortex, which contains fusiform cells, whose axons leave the cerebral cortex and project either to
subcortical structures or other areas of the cortex.
Areas responsible for integrating information seen, heard, and felt, to aid in reading and writing.
correct answers Angular gyrus and supramarginal gyrus
T or F: Mirror neurons are neurons that have been observed in the specific cortical areas of
monkeys that fire both when the monkey engages in a task and when observing another monkey
engaging in the same task. correct answers True
Which description best summarizes the Motor Theory of Speech Perception? correct answers
Spoken words are perceived by identifying the vocal tract gestures with which they are
pronounced rather than by identifying the sound patterns that speech generates.
Which of the following is NOT considered to be a component of language?
(A) categorical perception
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