17 Questions
Which theory explains the concept that the retina contains three different color receptors, each sensitive to red, green, and blue?
Young-Helmholtz theory
According to Gate control theory, what opens the 'gate' that allows pain signals to pass on to the brain?
Activity in pain signals traveling up small nerve fibers
Who is known for the principle that two stimuli must differ by a constant minimum percentage to be perceived as different?
Ernst Webber
Which theory links the pitch we hear with the place where the cochlea’s membrane is stimulated?
Place theory
What is the impact of Hermann von Helmholtz's theory on psychology?
Place theory
What is the term for the system that senses the position and movement of individual body parts?
Kinesthesis
Who demonstrated that neurons in the occipital lobe’s visual cortex receive information from individual ganglion cells in the retina?
David Hubel and Torsten Wiesel
Which principle suggests that one sense may influence another, as when the smell of food influences its taste?
Sensory interaction
Who inferred that the eye must have three corresponding types of color receptors?
Young and Helmholtz
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?
Feature detector
Which study demonstrated parallel processing as the brain’s natural mode of information processing for many functions including vision?
Livingston & Hubel
What is the name of the theory that assumes we hear different pitches because different places along the cochlea’s basilar membrane are stimulated?
Place theory
Who is known for the principle that two stimuli must differ by a constant minimum percentage to be perceived as different?
Ernst Webber
What does the Gate control theory propose as the mechanism that opens the 'gate' allowing pain signals to pass on to the brain?
Activity in larger nerve fibers
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?
Young-Helmholtz theory
What is the impact of Hermann von Helmholtz's theory on psychology?
Place theory
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?
Patrick Wall
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.
Test your knowledge of kinesthesis, vestibular sense, sensory interaction, and important studies related to sensory systems and neural processing. This quiz covers topics such as body movement and position sensing, sensory influence, and the findings of David Hubel and Torsten Wiesel.
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