Psychology Chapter 5 Quiz Questions

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Questions and Answers

Which term best describes a voxel?

  • A small cube-shaped area of the brain about 2 mm on each side. (correct)
  • An electrode used to measure brain activity.
  • The retinal area on which an image is projected.
  • The basic unit of sensation.

What was the general finding of Gibson and Peterson's reversible figure/ground study?

  • The meaningfulness of an image had a large effect on figure-ground segregation. (correct)
  • Meaningfulness only had an effect when images appeared on the left side.
  • Meaningful images were just as likely to be seen as figures or ground.
  • Inverting the entire image led to slower response times.

According to the Gestalt principle, why did Corey perceive two groups of birds when some seagulls changed direction?

  • Pragnanz.
  • Uniform connectedness.
  • Synchrony.
  • Common fate. (correct)

What term best describes objects in the foreground of a scene?

<p>Figure. (D)</p> Signup and view all the answers

What characteristic defines a voxel?

<p>It is small and cube-shaped, approximately 2 mm on each side. (C)</p> Signup and view all the answers

In Gibson and Peterson's study, what effect did meaningfulness have on figure-ground perception?

<p>The meaningfulness of an image had a large effect on figure-ground segregation. (D)</p> Signup and view all the answers

What is the most likely thing Sally will remember about the reversible-image illusion she saw?

<p>The location of the vase in the illusion (B)</p> Signup and view all the answers

What is the central feature of the reversible-image illusion Sally observed?

<p>The color contrast between the vase and the blue box (C)</p> Signup and view all the answers

What might capture Sally's attention the most in the reversible-image illusion she experienced?

<p>The position of the vase in relation to the blue box (B)</p> Signup and view all the answers

Which aspect of the reversible-image illusion would likely stand out to Sally as the most intriguing?

<p>The ambiguity in perceiving both vase and box (B)</p> Signup and view all the answers

What detail of the reversible-image illusion would Sally be most likely to describe to others?

<p>The constant flip between seeing a vase and a box (B)</p> Signup and view all the answers

Which feature of the reversible-image illusion would Sally be most inclined to discuss with her friends?

<p>The optical illusion making it reversible (A)</p> Signup and view all the answers

What condition results when two eyes receive totally different images and the brain can't combine the two images?

<p><strong>Binocular rivalry</strong> (A)</p> Signup and view all the answers

When figure-ground segregation occurs, what does border ownership refer to?

<p><strong>Is perceived to be associated with the figure.</strong> (D)</p> Signup and view all the answers

What is the primary purpose of a masking stimulus?

<p><strong>Stop persistence of vision.</strong> (D)</p> Signup and view all the answers

Which type of object evokes a strong sense of surrounding space when seen or imagined in isolation?

<p><strong>Spatially-bound</strong> (A)</p> Signup and view all the answers

In Kamitani and Tong (2005), how many orientations were tested with the 'orientation decoders' developed?

<p><strong>Eight</strong> (A)</p> Signup and view all the answers

What happens during visual masking?

<p><strong>The figure seems to blur into the background.</strong> (B)</p> Signup and view all the answers

What did Gestalt psychologists use the example of illusory contours to support?

<p>Perceptions are formed by combining sensations (B)</p> Signup and view all the answers

Which problem demonstrates that numerous physical stimuli can create the same image on the retina?

<p>Inverse projection (B)</p> Signup and view all the answers

What principle explains the grouping of stimuli based on shared orientation, shape, and/or size?

<p>Similarity (D)</p> Signup and view all the answers

In Palmer's (1975) study, which picture was identified correctly 80% of the time after viewing a kitchen scene?

<p>A loaf of bread matching the context (D)</p> Signup and view all the answers

The Bev Doolittle print of 'The Forest Has Eyes' demonstrates which principle affecting perceptual organization?

<p>Common region (A)</p> Signup and view all the answers

Which statement accurately reflects the Gestalt view of perception?

<p>'The whole is equal to the sum of its parts' (B)</p> Signup and view all the answers

What do humans use to distinguish shape from shading?

<p>Light-from-above assumption (C)</p> Signup and view all the answers

In the study by Tong, et al. (1998) using binocular rivalry to test brain responses, what happened when the person perceived a house?

<p>PPA increased, but not in the FFA. (D)</p> Signup and view all the answers

What is a characteristic of current computer programs in identifying objects?

<p>Make errors that a human would never make (A)</p> Signup and view all the answers

What would you expect when reviewing dozens of photographs of various scenes on social media based on the text?

<p>Horizontal and vertical orientations most common (D)</p> Signup and view all the answers

What type of orientation would be most common in photographs of various scenes based on the information provided?

<p>Horizontal and vertical orientations (B)</p> Signup and view all the answers

In identifying objects, how do current computer programs compare to human performance based on the text?

<p>Below human performance (C)</p> Signup and view all the answers

What type of procedure involves injecting a radioactive isotope into the bloodstream and tracing it through the brain?

<p>Removing or destroying a specific area of the brain (B)</p> Signup and view all the answers

In which part of the brain does an electrode respond best to orientations of 45 degrees?

<p>Adjacent column of cells (D)</p> Signup and view all the answers

Where do most signals travel via the optic nerve from the retina?

<p>Lateral geniculate nucleus (D)</p> Signup and view all the answers

Which brain structure was removed in Patient H.M. to control his epileptic seizures?

<p>Hippocampi (D)</p> Signup and view all the answers

What is the main purpose of placing an electrode in an orientation column that responds best to 45 degrees?

<p>To stimulate adjacent columns of cells (D)</p> Signup and view all the answers

What is the term for the difference in intensity between light bars and dark bars?

<p>Contrast (A)</p> Signup and view all the answers

In the context of cortical organization, what effect arises from humans having more cortical neurons responding to horizontal and vertical orientations than slanted orientations?

<p>Oblique (B)</p> Signup and view all the answers

What is the term used to describe a visual stimulus that contains alternating black and white bars?

<p>Grating (B)</p> Signup and view all the answers

In an illusion where line 1 appears longer than line 2 but line 2 is actually longer, what do the results suggest about the interaction between the ventral and dorsal stream?

<p>The visual illusion affects both streams. (B)</p> Signup and view all the answers

Regarding the organization of columns in the cortex, which statement is true?

<p>An orientation column can contain many location columns. (B)</p> Signup and view all the answers

What is the term for a stimulus that contains alternating black and white bars?

<p>Interlacing pattern (A)</p> Signup and view all the answers

What is the main reason for the cortical magnification factor in humans?

<p>A small area in the peripheral retina accounts for a large area on the cortex. (B)</p> Signup and view all the answers

What did researchers find about the properties of the ventral and dorsal streams using techniques of recording from neurons and ablation?

<p>Established by two different types of bipolar cells in the retina. (D)</p> Signup and view all the answers

In Ungerleider and Mishkin’s research, what difficulty did monkeys who had their temporal lobes removed experience?

<p>Discriminating between objects. (D)</p> Signup and view all the answers

What term refers to the fact that neurons' response properties can be shaped by perceptual experience?

<p>Plasticity. (A)</p> Signup and view all the answers

What did patient D.F.'s results with visual form agnosia demonstrate about perception and action?

<p>The inability to draw items is due to a lack of general knowledge. (B)</p> Signup and view all the answers

Which finding resulted from Ungerleider and Mishkin’s (1982) research involving monkeys with temporal lobe removal?

<p>Discriminating between objects. (D)</p> Signup and view all the answers

When a large object, such as a tree trunk, is present, what happens to the firing of neurons?

<p>Every neuron in one location column fires. (B)</p> Signup and view all the answers

What kind of pathway is the dorsal stream according to Milner and Goodale?

<p>Action pathway (B)</p> Signup and view all the answers

Which lobe does the dorsal pathway go to?

<p>Parietal (D)</p> Signup and view all the answers

In what type of relationship are the results of losing Function A in Area A and losing Function B in Area B best described as?

<p>Double dissociation (C)</p> Signup and view all the answers

If a kitten is exposed only to horizontal lines, what would happen to its cortical cell responses?

<p>Cells would respond to horizontal lines, but not to vertical lines. (A)</p> Signup and view all the answers

What area in the temporal lobe specializes in recognizing faces?

<p>FFA (A)</p> Signup and view all the answers

Where is the blind spot located?

<p>Where the optic nerve leaves the eye (C)</p> Signup and view all the answers

Which condition results in the destruction of peripheral rod receptors, leading to poorer peripheral vision?

<p>Retinitis pigmentosa (C)</p> Signup and view all the answers

What chemical reacts to light to start the process of transduction?

<p>Retinal (B)</p> Signup and view all the answers

Why do newborns have poor acuity?

<p>The rods are not developed at birth (D)</p> Signup and view all the answers

What stimuli are used in the preferential looking technique of testing infant acuity?

<p>Gratings (A)</p> Signup and view all the answers

In Limulus, what stimulation will result in the greatest firing rate recorded from receptor 'A'?

<p>Stimulating A with 10 units and stimulating B with 10 units (B)</p> Signup and view all the answers

In the study mentioned, where do horizontal cells converge onto?

<p>Peripheral cones (A)</p> Signup and view all the answers

What is the correct statement regarding the Purkinje shift?

<p>Blues appear brighter than reds in well-lit conditions, and blues also appear brighter than reds in dim conditions. (D)</p> Signup and view all the answers

Which step of the perceptual process is associated most closely with converging circuits involving excitation and inhibition?

<p>Neural processing (A)</p> Signup and view all the answers

What is the correct method to measure cone spectral sensitivity?

<p>Looking up and blinking (C)</p> Signup and view all the answers

Which wavelength on the electromagnetic spectrum corresponds to radio waves?

<p>X-rays (C)</p> Signup and view all the answers

When comparing how rods and cones converge onto other retinal neurons, what is the correct relationship?

<p>Rods converge more than foveal cones (C)</p> Signup and view all the answers

What does human lateral inhibition most likely involve?

<p>Bipolar cells (C)</p> Signup and view all the answers

Which term best describes a retinal condition that destroys the cones in the fovea?

<p>Macular degeneration (D)</p> Signup and view all the answers

What process is triggered by the isomerization of a single pigment molecule?

<p>Chain reaction (B)</p> Signup and view all the answers

In the context of vision, convergence results in what changes in sensitivity and acuity?

<p>Increased sensitivity and decreased acuity (C)</p> Signup and view all the answers

What signifies that an eyeball is too long, resulting in difficulty seeing far away objects?

<p>Axial myopia (A)</p> Signup and view all the answers

Where does our perception of the environment begin according to the text?

<p>Proximal stimulus (B)</p> Signup and view all the answers

What is the primary function of the cell body in a neuron?

<p>Holding the mechanism that keeps the cell alive (C)</p> Signup and view all the answers

What aspect of the nerve fiber is changed to create the flow of ions that lead to an action potential?

<p>Permeability (D)</p> Signup and view all the answers

Which of the following is NOT a step in synaptic transmission?

<p>Chlorine rushes out of the neuron (A)</p> Signup and view all the answers

When a neuron is at rest, what is its electrical potential?

<p>$-70$ millivolts (D)</p> Signup and view all the answers

What is the term for the question regarding how physiologic processes lead to our experiences?

<p>Neuro-physiological question (B)</p> Signup and view all the answers

What is the principle called where specific functions are served by specific cortical areas?

<p>Modularity (C)</p> Signup and view all the answers

Which part of the neuron is primarily responsible for receiving signals from other neurons?

<p>Receptor (A)</p> Signup and view all the answers

What is the main limitation of fMRI technology when trying to understand brain activity?

<p>Cannot detect the activity of individual neurons (D)</p> Signup and view all the answers

What aspect of the action potential phase involves the movement of ions into the axon?

<p>Sodium channel (B)</p> Signup and view all the answers

In neural representation, what term describes the perception of a painful stimulus and multiple responses within the body?

<p>Distributed representation (C)</p> Signup and view all the answers

What key feature characterizes the coding by the pattern of firing of a large number of neurons?

<p>Population (D)</p> Signup and view all the answers

What type of input affects the postsynaptic neuron's rate of firing?

<p>Both excitation and inhibition (D)</p> Signup and view all the answers

What happens to the amplitude of the action potential of a single neuron as stimulus intensity increases?

<p>The amplitude of the action potential increases (C)</p> Signup and view all the answers

What is a characteristic of a 'grandmother' cell?

<p>Fires in response to one specific stimulus (C)</p> Signup and view all the answers

How did Quiroga et al. (2008) study sensory coding?

<p>Using implanted electrodes in the temporal lobe of epileptic patients (B)</p> Signup and view all the answers

Which brain imaging technique can create images of brain structures but cannot indicate neural activity?

<p>MRI (A)</p> Signup and view all the answers

What type of ion flows into the neuron when a signal starts to come through the axon?

<p>Na+ (D)</p> Signup and view all the answers

How is the signal from a single neuron typically recorded?

<p>A recording electrode and a reference electrode can measure the difference in charge (D)</p> Signup and view all the answers

What type of task best describes the game 'Whack-a-Mole'?

<p>Parallel task (A)</p> Signup and view all the answers

In the perceptual process, what is analogous to the pressure from a button press being converted into electrical energy?

<p>Transduction (D)</p> Signup and view all the answers

Which type of processing is involved when trying to read a note with poor handwriting?

<p>Top-down processing (B)</p> Signup and view all the answers

Which psychophysical method presents stimuli in varying intensities in ascending and descending orders?

<p>Method of limits (D)</p> Signup and view all the answers

When a patient who has had a stroke is asked to name an object by a neurologist, what aspect of cognition is being tested?

<p>Recognition (B)</p> Signup and view all the answers

What does the method of magnitude estimation yield a measure of?

<p>Perceived magnitude (D)</p> Signup and view all the answers

What cognitive ability allows the resident to reassure their alarmed friend about the loud bangs near the railroad tracks?

<p>Recognition (B)</p> Signup and view all the answers

Which statement accurately describes the steps of the perceptual process?

<p>The sequence of steps is dynamic and constantly changing. (D)</p> Signup and view all the answers

What type of processing is based on stimuli reaching the receptors?

<p>Bottom-up (A)</p> Signup and view all the answers

In what method does a participant assign a numerical value to a 'standard stimulus'?

<p>Magnitude estimation (A)</p> Signup and view all the answers

When a driver notices that closer stationary objects appear to move faster than farther ones, what technique of perception is being used?

<p>Relative motion perception (B)</p> Signup and view all the answers

What is the term for a technique where participants are given a 'standard stimulus' to rate its intensity?

<p>Magnitude scaling (B)</p> Signup and view all the answers

What is the primary function of Fechner’s psychophysical methods?

<p>To measure mental activity quantitatively (A)</p> Signup and view all the answers

Which method is NOT used to measure the quantitative relationship between stimulus and perception?

<p>Behavioral observations (D)</p> Signup and view all the answers

In the context of brain functions, what does the question 'What do you see?' primarily inquire about?

<p>Recognition (A)</p> Signup and view all the answers

When did computer scientists develop 'Perceiving machines' that can negotiate the environment with human-like ease?

<p>They have not been developed yet (D)</p> Signup and view all the answers

Which brain structure is responsible for language, memory, and thinking in addition to creating perceptions?

<p>Cerebral cortex (A)</p> Signup and view all the answers

'Activating sensory receptors' is a critical step in which process?

<p>Experiencing what you want to experience (D)</p> Signup and view all the answers

Visual form agnosia is a problem related to which step in the perceptual process?

<p>Recognition (C)</p> Signup and view all the answers

In the perceptual process, which category represents the first stage?

<p>Stimuli (C)</p> Signup and view all the answers

When designing adapted products for individuals with difficulty grasping items, what question is most likely on the intern's mind during observation?

<p>How do the children interact with the crayons? (D)</p> Signup and view all the answers

Which phenomenon involves the perception of a painful stimulus and multiple bodily responses?

<p>Transduction (B)</p> Signup and view all the answers

What aspect characterizes the dorsal pathway in visual processing?

<p>High spatial resolution (D)</p> Signup and view all the answers

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