Sound Frequency, Pitch, and Range of Hearing

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What is the primary function of the ossicles in the middle ear?

Transduction process

Conducts sound from the eardrum to the oval window (correct)

Fluid filled, snail-shaped organ

Assist in sound localization

Which part of the ear is responsible for changing mechanical energy into action potentials?

Tympanic Membrane

Cochlea (correct)

Pinnae

Oval Window

What is the correct pathway for Central Auditory Processing after the Superior Olives?

Superior Olives - MGN of Thalamus - Inferior Colliculus - Heschel’s Gyrus

Superior Olives - Inferior Colliculus - MGN of Thalamus - Heschel’s Gyrus (correct)

Inferior Colliculus - Superior Olives - MGN of Thalamus - Heschel’s Gyrus

Inferior Colliculus - MGN of Thalamus - Heschel’s Gyrus - Superior Olives

Which part of the ear acts as a resonance chamber and amplifies sounds within a specific frequency range?

Auditory Canal Signup and view all the answers

What is the main function of the Oval Window in the ear?

Conducts sound from eardrum to cochlea Signup and view all the answers

Which part of the ear collects sound and passes them along to the ossicles in the middle ear?

Tympanic Membrane Signup and view all the answers

What is the minimum separation needed between two points to perceive them as two units?

Two point threshold Signup and view all the answers

Which body area has the greatest density of merkel receptors, similar to cones in the fovea?

Fingertips Signup and view all the answers

What term is used to describe the phenomenon where body areas with high acuity have larger areas of cortical tissue devoted to them?

Cortical magnification Signup and view all the answers

Which perception involves the three systems: sensory, motor, and cognitive, to understand three-dimensional objects by touch?

Haptic perception Signup and view all the answers

What component of pain involves sensations like throbbing, prickly, hot, and dull?

Sensory component Signup and view all the answers

What type of pain serves as a warning of damage to the skin and involves several receptor types?

Nociceptive pain Signup and view all the answers

What is the primary input for the lower 2 layers of the LGN?

Scotopic system Signup and view all the answers

Which neurons are well-suited to detect visual details and respond to color?

Parvocellular neurons Signup and view all the answers

What type of cells have side by side excitatory and inhibitory receptive fields?

Simple cells Signup and view all the answers

Which pathway originates in the magnocellular system of the LGN?

What pathway Signup and view all the answers

Which phenomenon describes the ability to respond to visual information without perceiving it consciously?

Blindsight Signup and view all the answers

What is measured by contrast sensitivity?

Percentage contrast required to detect presence of grating Signup and view all the answers

Which layer of the Visual Cortex responds best to moving lines and edges?

End-stopped Cells Signup and view all the answers

What does somatoparaphrenia refer to?

Inability to identify own body parts as belonging to oneself Signup and view all the answers

Which type of neurons are distributed evenly throughout the retina and respond strongly to movement?

Magnocellular Neurons Signup and view all the answers

In blindsight, what is the surprising ability that some patients exhibit?

Ability to respond to visual information without conscious perception Signup and view all the answers