Podcast
Questions and Answers
What is the main reason behind motion sickness according to the Sensory Conflict Theory?
What is the main reason behind motion sickness according to the Sensory Conflict Theory?
Which characteristic best describes the nature of perception as mentioned in the text?
Which characteristic best describes the nature of perception as mentioned in the text?
Which sensory organ is responsible for monitoring the positions of the various parts of the body?
Which sensory organ is responsible for monitoring the positions of the various parts of the body?
What is the Pollyanna Principle mentioned in the text related to perceptual processing?
What is the Pollyanna Principle mentioned in the text related to perceptual processing?
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How does selective screening affect perception according to the text?
How does selective screening affect perception according to the text?
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Which sense provides us with information about body position, movement, and acceleration?
Which sense provides us with information about body position, movement, and acceleration?
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What type of movements stimulate the vestibular sense?
What type of movements stimulate the vestibular sense?
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In the context of perception, what is meant by perceptual grouping as discussed in the text?
In the context of perception, what is meant by perceptual grouping as discussed in the text?
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Where are the sensory organs for the vestibular sense located?
Where are the sensory organs for the vestibular sense located?
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How does perceptual set influence perception according to the text?
How does perceptual set influence perception according to the text?
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What are the three tiny bones in the middle ear responsible for amplifying vibrations?
What are the three tiny bones in the middle ear responsible for amplifying vibrations?
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Which theory is directly related to motion sickness?
Which theory is directly related to motion sickness?
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After which type of activities do we usually become aware of our vestibular sense?
After which type of activities do we usually become aware of our vestibular sense?
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What is the term for poor transfer of sounds from the tympanic membrane to the inner ear?
What is the term for poor transfer of sounds from the tympanic membrane to the inner ear?
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What type of deafness is caused by damage to hair cells or the auditory nerve?
What type of deafness is caused by damage to hair cells or the auditory nerve?
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Which electronic device stimulates auditory nerves directly?
Which electronic device stimulates auditory nerves directly?
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Which skin sensation communicates to the body that something has gone wrong?
Which skin sensation communicates to the body that something has gone wrong?
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What physical property stimulus is associated with itching sensation on the skin?
What physical property stimulus is associated with itching sensation on the skin?
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Study Notes
Kinesthetic Sense
- Kinesthetic sense, or kinesthesis, is the sense that tells you where the parts of your body are with respect to one another.
- It monitors the positions of the various parts of the body.
- Receptors in the joints transduce mechanical energy into neural activity, providing information about both the rate of change and the angle of the bones.
Vestibular Sense
- Vestibular sense is the sense of equilibrium or body balance.
- It gives us information about body position, movement, and acceleration.
- The sensory organs for the vestibular sense are located in the inner ear, specifically in the semi circular canals above the cochlea.
- The receptors are filled with the fluid endolymph and have nerve fibers.
Auditory Sense
- Sound vibrations hit the cochlea, which is lined with hair cells.
- Hair cells move and trigger the release of neurotransmitters.
- Electrical signals are sent by the auditory nerve to the brain.
- Conduction deafness occurs when there is poor transfer of sounds from the tympanic membrane to the inner ear and can be compensated with an amplifier (hearing aid).
- Nerve deafness is caused by damage to hair cells or auditory nerve and cannot be compensated with hearing aids.
Somesthesis (Skin)
- Somesthesis refers to sensations of the skin, including touch, pressure, pain, cold, warmth, itching, and vibration.
- Nerve receptor cells are located at various depths throughout the skin and are distributed unevenly throughout the body.
- Physical properties that stimulate somesthesis include temperature, pressure, and chemicals.
Pain
- Pain is a sensation that tells the body that something has gone wrong.
- Sensory Conflict Theory states that motion sickness occurs because vestibular system sensations do not match sensations from the eyes and body.
Perception
- Perception is the process of giving meaning to the environment around us.
- Characteristics of perception include the need for a stimulus, immediate experience, active mental processing, organization of stimuli, and selectivity.
- Factors that influence perception include selective screening, perceptual set, the Pollyanna principle, and perceptual grouping.
- Perceptual organization is the process of grouping stimuli into recognizable patterns, also known as the "Gestalt Process".
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Description
Explore the concepts of Sensory Conflict Theory and Perception, which explain the occurrence of motion sickness and the cognitive process of interpreting stimuli. Learn about how discrepancies between vestibular system sensations and visual/body sensations can lead to motion sickness, and how perception plays a crucial role in understanding our environment.
