Neuroscience: Sensory Systems Overview
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Questions and Answers

What are the two main components of the vestibular apparatus?

  • Olfactory bulbs and Taste buds
  • Utricle and Saccule (correct)
  • Cochlea and Semicircular canals
  • Retina and Fovea
  • What primary taste is represented by the flavor of monosodium glutamate?

  • Bitter
  • Sweet
  • Umami (correct)
  • Sour
  • How often are taste bud cells recycled?

  • Every day
  • Once a month
  • Every week
  • Approximately every two weeks (correct)
  • Which nerve is NOT involved in the primary gustatory pathways?

    <p>Optic nerve (II)</p> Signup and view all the answers

    Which part of the vestibular apparatus is oriented in the horizontal plane?

    <p>Utricle</p> Signup and view all the answers

    What is the role of the three types of opsins in the retina?

    <p>To enable color vision</p> Signup and view all the answers

    What is the lifespan of olfactory sensory neurons?

    <p>2 months</p> Signup and view all the answers

    Which visual pathway structure is responsible for initial processing before reaching the primary visual cortex?

    <p>Lateral Geniculate Nucleus</p> Signup and view all the answers

    Which structure primarily handles angular acceleration in the vestibular system?

    <p>Semicircular canals</p> Signup and view all the answers

    Which principle explains how sound frequency is determined in the ear?

    <p>Place principle</p> Signup and view all the answers

    How many types of olfactory receptor genes are estimated to be present in humans?

    <p>350</p> Signup and view all the answers

    How is loudness perceived in the auditory system?

    <p>Through increased rates of hair cell activation</p> Signup and view all the answers

    Which part of the eye is primarily responsible for automatic focus control?

    <p>Lens</p> Signup and view all the answers

    What condition is characterized by the loss of vision in specific visual fields?

    <p>Scotoma</p> Signup and view all the answers

    Which component of the ear includes the Organ of Corti?

    <p>Inner ear</p> Signup and view all the answers

    Which theory explains the mechanism of color vision that involves three types of cones?

    <p>Trichromatic theory</p> Signup and view all the answers

    What is primarily responsible for voluntary actions and object-oriented actions?

    <p>Basal ganglia</p> Signup and view all the answers

    Which EEG frequency ranges are associated with alertness and active concentration?

    <p>Beta waves</p> Signup and view all the answers

    Which learning mechanism involves strengthening synaptic connections through stimulation?

    <p>Long-term potentiation</p> Signup and view all the answers

    What type of memory involves the conscious recall of facts and events?

    <p>Declarative memory</p> Signup and view all the answers

    What stage of sleep is characterized by rapid eye movement and vivid dreams?

    <p>REM sleep</p> Signup and view all the answers

    Which of the following describes the process of becoming more sensitive to a stimulus over time?

    <p>Sensitization</p> Signup and view all the answers

    What type of memory does not require conscious thought to encode and recall skills and tasks?

    <p>Procedural memory</p> Signup and view all the answers

    What imaging technique uses a magnetic field and radio waves to create detailed images of the organs and tissues?

    <p>MRI (magnetic resonance imaging)</p> Signup and view all the answers

    What is the primary function of the frontal lobe?

    <p>Motor control and planning</p> Signup and view all the answers

    Which condition is associated with a lesion in the left parietal lobe?

    <p>Dysgraphia</p> Signup and view all the answers

    Which area is responsible for the generation of speech?

    <p>Broca's area</p> Signup and view all the answers

    What is a primary function of the occipital lobe?

    <p>Visual processing</p> Signup and view all the answers

    Which characteristic is associated with the neocortex?

    <p>6 layers of neurons</p> Signup and view all the answers

    Which condition is a result of bilateral temporal lobe lesions?

    <p>Klüver-Bucy syndrome</p> Signup and view all the answers

    What role does the nucleus accumbens play in the brain?

    <p>Reward processing</p> Signup and view all the answers

    Which lobe is primarily responsible for body awareness?

    <p>Parietal lobe</p> Signup and view all the answers

    Which hormonal neurotransmitter is often referred to as the 'common reward currency'?

    <p>Dopamine</p> Signup and view all the answers

    What is the primary function of Wernicke's area?

    <p>Language comprehension</p> Signup and view all the answers

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