Chapter 4 Neural Mechanisms: Contributions And Con
Chapter 4 Neural Mechanisms: Contributions and Con
Exam (elaborations)
Chapter 4 Neural Mechanisms: Contributions and Control || All Answers Are Correct 100%.
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Chapter 4 Neural Mechanisms: Contributions and Con
Institution
Chapter 4 Neural Mechanisms: Contributions And Con
Central Nervous System correct answers brain and spinal cord
Peripheral Nervous System correct answers consists primarily of nerves that extend form the brain and spinal cord linking the body to the CNS
Exteroceptors correct answers detect stimuli outside of the body and provide information a...
Chapter 4 Neural Mechanisms: Contributions and Control ||
All Answers Are Correct 100%.
Central Nervous System correct answers brain and spinal cord
Peripheral Nervous System correct answers consists primarily of nerves that extend form the
brain and spinal cord linking the body to the CNS
Exteroceptors correct answers detect stimuli outside of the body and provide information about
the environment
near the surface: pressure, pain, touch, temp, vibrations, hear, vision, smell, and taste
Interoceptors correct answers detect stimuli in internal viscera and provide information about the
internal environment
hunger and nausea
Proprioceptors correct answers locates in the muscles, tendons, joints, and internal ear, provide
information regarding body position and movement buy detecting changes in muscle tension,
joint position, and equilibrium
Rods correct answers More numerous, do not detect wavelength (color) and are specialized for
vision in dim light. Enable us to see shapes and movements and they discriminate between
different shades of light and dark. Night Vision
Cone correct answers operate best in bright light and are specialized for color vision and visual
acuity (sharpness). In the fovea most clear when looking directly at objects
Focal system correct answers functions to identify objects primarily located in the central region
of the visual field. Linked to consciousness and operates under voluntary control
Ambient system correct answers functions at the subconscious level, is thought to be responsible
for spatial localization and orientation. Involves the entire retina, both central and peripheral
visual fields and is not affected by change of light
Eye dominance correct answers Cross dominant: opposite of hand
Same side dominant: same side of hand
Spotting correct answers technique used in the performance of rotational skills (dance, diving,
gymnastics, and figure skating) to reduce dizziness associated with spinning and to keep the
performer oriented. Rotation of the head is delated relative to the body's rotation by fixating
one's visual attention on a specific spot.
Visual Search correct answers finding something to focus on (gaze fixation)
, Quiet eye correct answers the final fixation located on a specific target or object before the
initiation of movement. Allows to see regulatory cues
Fixed targets correct answers stable and predictable in postion and require a performer to fixate
location prior to executing a response
abstract targeting task correct answers Golf putt - fixed but aiming location is more difficult to
detect
moving targets correct answers requires the performer to anticipate the target's impending
location
Interceptive skills correct answers complex in nature, require performer to tack a moving stimuli
determine and executer proper limb movement to respond.
tau correct answers Optic variable that provides time-to-contact information by taking the size of
the retina image at any position of an object's approach and dividing it by the rate of change of
the image.
Tactical skills correct answers require quick and accurate situational decision making, selective
attention to relevant environmental cures, and pattern recognition
Optic Flow correct answers visual motion of objects as observers move relative to them.
helps us judge how close we are to certain objects and how quickly were are approaching them,
and we rely on them to guide location
feedforward correct answers allows information such as the dimension of an object or details of
the terrain, to be sent ahead of the movement to prepare or adjust the movement in advance
Golgi tendon organ correct answers proprioceptors
when tension is applied they rely information
act to protect tendons and their associated muscle
Muscle spindles correct answers REACT TO STRETCH
can cause stretch relax
Vestibular apparatus correct answers group of receptor organs in the inner ear that respond to
changes in posture and balance
reflex arc correct answers pathway by which a reflex occurs
Components of a reflex arc correct answers 1. the receptor
2. the sensory neuron
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