Podcast
Questions and Answers
Which theory explains the concept that the retina contains three different color receptors, each sensitive to red, green, and blue?
Which theory explains the concept that the retina contains three different color receptors, each sensitive to red, green, and blue?
- Webber's Law
- Gate control theory
- Young-Helmholtz theory (correct)
- Place theory
According to Gate control theory, what opens the 'gate' that allows pain signals to pass on to the brain?
According to Gate control theory, what opens the 'gate' that allows pain signals to pass on to the brain?
- Activity in larger nerve fibers
- Activity in pain signals traveling up small nerve fibers (correct)
- Webber's Law
- Information coming from the brain
Who is known for the principle that two stimuli must differ by a constant minimum percentage to be perceived as different?
Who is known for the principle that two stimuli must differ by a constant minimum percentage to be perceived as different?
- Hermann von Helmholtz
- Patrick Wall
- Ernst Webber (correct)
- Ronald Melzach
Which theory links the pitch we hear with the place where the cochlea’s membrane is stimulated?
Which theory links the pitch we hear with the place where the cochlea’s membrane is stimulated?
What is the impact of Hermann von Helmholtz's theory on psychology?
What is the impact of Hermann von Helmholtz's theory on psychology?
What is the term for the system that senses the position and movement of individual body parts?
What is the term for the system that senses the position and movement of individual body parts?
Who demonstrated that neurons in the occipital lobe’s visual cortex receive information from individual ganglion cells in the retina?
Who demonstrated that neurons in the occipital lobe’s visual cortex receive information from individual ganglion cells in the retina?
Which principle suggests that one sense may influence another, as when the smell of food influences its taste?
Which principle suggests that one sense may influence another, as when the smell of food influences its taste?
Who inferred that the eye must have three corresponding types of color receptors?
Who inferred that the eye must have three corresponding types of color receptors?
What is the term for nerve cells in the brain that respond to a specific feature of the stimulus, such as shape, angle, or movement?
What is the term for nerve cells in the brain that respond to a specific feature of the stimulus, such as shape, angle, or movement?
Which study demonstrated parallel processing as the brain’s natural mode of information processing for many functions including vision?
Which study demonstrated parallel processing as the brain’s natural mode of information processing for many functions including vision?
What is the name of the theory that assumes we hear different pitches because different places along the cochlea’s basilar membrane are stimulated?
What is the name of the theory that assumes we hear different pitches because different places along the cochlea’s basilar membrane are stimulated?
Who is known for the principle that two stimuli must differ by a constant minimum percentage to be perceived as different?
Who is known for the principle that two stimuli must differ by a constant minimum percentage to be perceived as different?
What does the Gate control theory propose as the mechanism that opens the 'gate' allowing pain signals to pass on to the brain?
What does the Gate control theory propose as the mechanism that opens the 'gate' allowing pain signals to pass on to the brain?
Which theory proposes that the retina contains three different color receptors, each sensitive to red, green, and blue, and when stimulated in combination, can produce the perception of any color?
Which theory proposes that the retina contains three different color receptors, each sensitive to red, green, and blue, and when stimulated in combination, can produce the perception of any color?
What is the impact of Hermann von Helmholtz's theory on psychology?
What is the impact of Hermann von Helmholtz's theory on psychology?
Which scientist proposed the principle that the spinal cord contains a neurological 'gate' that blocks pain signals or allows them to pass on to the brain?
Which scientist proposed the principle that the spinal cord contains a neurological 'gate' that blocks pain signals or allows them to pass on to the brain?
Flashcards
Young-Helmholtz trichromatic theory
Young-Helmholtz trichromatic theory
The theory that the retina contains three color receptors (red, green, blue) that when stimulated in combination can produce the perception of any color.
Gate-control theory
Gate-control theory
The theory that the spinal cord contains a neurological 'gate' that blocks or allows pain signals to pass to the brain.
Weber's Law
Weber's Law
The principle that two stimuli must differ by a constant minimum percentage to be perceived as different.
Place theory (hearing)
Place theory (hearing)
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Kinesthesis
Kinesthesis
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Feature detectors
Feature detectors
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Parallel processing
Parallel processing
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Sensory Interaction
Sensory Interaction
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Hubel & Wiesel's research
Hubel & Wiesel's research
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Study Notes
Sensory Systems
- Kinesthesis is the system that senses the position and movement of individual body parts.
- Vestibular sense is responsible for sensing body movement and position, including balance.
Sensory Interaction
- Sensory interaction occurs when one sense influences another, such as when the smell of food affects its taste.
Important Studies
David Hubel and Torsten Wiesel
- Demonstrated that neurons in the occipital lobe's visual cortex receive information from individual ganglion cells in the retina.
- Feature detectors are nerve cells in the brain that respond to specific features of a stimulus, such as shape, angle, or movement.
Livingston & Hubel
- Introduced the concept of parallel processing, where the brain processes many aspects of a problem simultaneously.
- This is the natural mode of information processing for many functions, including vision, and contrasts with step-by-step processing of computers and conscious problem solving.
Study of Brain Damage
- Patients with brain damage suggest that the brain delegates processing of color, motion, form, and depth to different areas.
- The integration of these sub-dimensions into a perceived image is still an unanswered question in vision research.
Young and Helmholtz
- Inferred that the eye must have three corresponding types of color receptors.
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