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Question

1. The function of a sensory receptor is to: 2. A(n) _____ stimulus is the form of energy for which a sensory receptor is specialized – in other words, the type of energy that most stimulates a specific type of receptor. 3. The adequate stimulus for your auditory system is _____. 4. Before sound waves can stimulate cells inside your cochlea, they must first cause your ____ to vibrate. 5. As fluid inside the cochlea vibrates, it stimulates _____ in the _____, which is the receptive organ in the ear. 6. When hair cells move, they brush against the _____ membrane, causing ion channels to open and producing an action potential. 7. The primary auditory cortex is located in the _____ lobes of the cortex. 8. Officer Rosa immediately dropped for cover behind her car, knowing that the sound she heard was a gunshot and not a car backfiring. The _____ stream of auditory processing in involved in this ability to identify sounds. 9. Research demonstrates that, in most people, the _____ is dominant for language. 10. Overall, Carly is well-adjusted and intelligent, but she has difficulty understanding what people are saying. When she speaks, the rhythm and pattern sound normal, but the words themselves do not make sense. Given this information, it is most likely that Carly probably sustained an injury to which brain region?

Answer

Carly has probably sustained an injury to Wernicke's area of the brain.

  • Q:What is the function of a sensory receptor? A:The function of a sensory receptor is to detect and respond to stimuli in the internal and external environments of the body.
  • Q:What is an adequate stimulus? A:An adequate stimulus is the specific form of energy for which a sensory receptor is specialized and most sensitive to, meaning the type of energy that most stimulates a specific type of receptor.
  • Q:What is the adequate stimulus for the auditory system? A:The adequate stimulus for the auditory system is sound waves, which are changes in air pressure caused by vibrating objects.
  • Q:What must happen before sound waves can stimulate cells inside the cochlea? A:Before sound waves can stimulate cells inside the cochlea, they must first cause the eardrum to vibrate.
  • Q:What is stimulated as fluid inside the cochlea vibrates? Where is this structure located? A:As fluid inside the cochlea vibrates, it stimulates hair cells in the organ of Corti, which is the receptive organ in the ear.
  • Q:What happens when hair cells in the organ of Corti move? A:When hair cells move, they brush against the tectorial membrane, causing ion channels to open and producing an action potential.
  • Q:Where is the primary auditory cortex located? A:The primary auditory cortex is located in the temporal lobes of the cortex.
  • Q:What stream of auditory processing is involved in the ability to identify sounds? A:The dorsal stream of auditory processing is involved in the ability to locate and identify sounds.
  • Q:Which hemisphere is dominant for language in most people? A:Research demonstrates that, in most people, the left hemisphere is dominant for language.
  • Q:Based on the given information, where is Carly's brain injury most likely located? A:Given that Carly has difficulty understanding what people are saying, but can produce speech that sounds normal, it is most likely that she has sustained an injury to Wernicke's area, a brain region located in the temporal lobe responsible for understanding and producing meaningful language.