30 Questions
Which type of sensory cortex is responsible for the highest level of analysis and integration?
Association sensory cortex
What is the term used to describe the organization of different parts of the sensory system specializing in different kinds of analysis?
Functional segregation
Which dimension of sound refers to the loudness of a sound?
Amplitude
What is the term used to describe the breaking down of a complex sound into its component sine waves?
Fourier analysis
Which part of the ear is responsible for transmitting sound waves from the outer ear to the inner ear?
Ossicles (hammer, anvil, stirrup)
Which membrane in the inner ear is responsible for detecting sound vibrations and converting them into electrical signals?
Organ of Corti
In the tonotopic organization of the inner ear, where are higher frequencies represented?
Closer to the oval window
Which pathway carries information about touch and proprioception?
Dorsal-column medial-lemniscus system
What is the primary somatosensory cortex organized somatotopically called?
Somatosensory homunculus
Which type of deafness is caused by damage to the ossicles?
Conductive
Which pathway in the auditory system identifies where sound is?
Posterior auditory pathway
What is the function of the lateral fissure in the auditory cortex?
It contains most of the auditory cortex
What is the main function of the inferior colliculus in the auditory pathway?
It receives input from the cochlear nucleus
Which type of receptor is responsible for deep fast-adapting touch?
Pacinian corpuscles
Which of the following is a symptom of anosmia?
Inability to smell
What is the term for the inability to taste?
Ageusia
Which of the following disorders is anosmia linked to?
All of the above
What role does prior knowledge play in perception?
Major influence
What is the binding problem?
Addresses how complex stimuli can be perceived as integrated wholes
What is the term for the phenomenon where people have difficulty noticing changes in visual stimuli?
Change blindness
Which neural locations are involved in attention?
Prefrontal lobe and posterior parietal cortex
What is simultanagnosia?
Difficulty attending to more than one object at a time
What causes visual simultanagnosia?
Damage to the posterior parietal cortex
Which area of the brain is responsible for recognizing objects by touch?
Posterior parietal cortex
What is the role of the anterior cingulate cortex in relation to pain perception?
It is responsible for the emotional response to pain
What is the function of the posterior parietal cortex in relation to somatosensory and visual stimuli?
It responds to both somatosensory and visual stimuli
What is the primary role of the somatosensory cortex (SI)?
Processing somatosensory signals
Which area of the brain is responsible for the conscious perception of odor?
Orbitofrontal cortex
Which of the following is true about the gustatory system?
The taste receptors are metabotropic
What is the purpose of chemotopic mapping in the olfactory system?
To transduce airborne chemicals
Test your knowledge on the somatosensory homunculus and its portrayal in the brain. Learn about the locations of the primary and secondary somatosensory cortex and discover why the conventional depiction of the homunculus might be incorrect.
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