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What are the two physical characteristics of sound waves, and what sound qualities do they determine? What are the typical units of measurement for these characteristics? Describe the frequency and place theories of pitch perception and discuss when each theory is applicable.

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The two physical characteristics of soun...

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A subliminal stimulus is best defined as being


A) perceived consciously, just below the absolute threshold
B) a marketing term rather than a perceptual phenomenon
C) not perceived consciously and well below the absolute threshold
D) not perceived consciously but just below the absolute threshold

E) A) and B)
F) A) and C)

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Alessandra's family has always had at least one pet, so she is comfortable around dogs. Her friend Tyra, however, was bitten by a dog a few years ago, and is now afraid of all dogs. While Alessandra and Tyra are walking to school, they are approached by a dog that is wagging its tail. Alessandra bends down to pet the dog, but Tyra backs up because she is afraid. Both girls are ________________ the same dog, but the way each experiences or ____________ the dog is different.


A) sensing; perceives
B) perceiving; senses
C) sensing; detects
D) perceiving; detects
E) interpreting; transduces

F) A) and B)
G) A) and C)

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Ms. Kla has a mysterious condition where she perceives sounds as colours. What is this rare condition known as?


A) Hallucination
B) Illusion
C) Synaesthesia
D) Anesthesia

E) A) and B)
F) A) and C)

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A researcher is conducting a study with owls at the zoo to determine how sensitive they are to various sounds and what is the smallest sound that they can detect. The work of this researcher is most consistent with the goals of which scientific area?


A) Neuropsychology
B) Psychotherapy
C) Psychophysics
D) Psychoneuroimmunology

E) B) and C)
F) None of the above

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A research study finds that humans can detect a teaspoon of sugar in 7.5 litres of water greater than 50% of the time. This result is a measure of _______________.


A) adaptation
B) absolute threshold
C) top-down processing
D) false alarm

E) All of the above
F) A) and C)

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What are Canadian statistics on hearing loss and recommendations on hearing protection?

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As of my last update in early 2023, hear...

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The primary receptors for pain and temperature are specifically called


A) tactile receptors
B) free nerve endings
C) association neurons
D) gustatory receptors

E) A) and D)
F) B) and C)

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Once light stimulates receptor cells in the retina, nerve impulses are sent to the sensory switchboard known as the _______________.


A) inferior colliculus
B) hypothalamus
C) thalamus
D) pons

E) A) and B)
F) A) and C)

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Monocular depth cues are to binocular depth cues as


A) relative size and disparity are to convergence and parallax
B) texture and height in the horizontal plane are to interposition and disparity
C) relative size and linear perspective are to convergence and clarity
D) linear perspective and texture are to disparity and convergence

E) None of the above
F) C) and D)

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The Young-Helmholtz trichromatic theory of colour vision is based on the laws of additive colour mixture and argues that each of the three types of cones is most sensitive to one wavelength of light.

A) True
B) False

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If your eyeball was too long (front to back) , such that a focused image falls in front of your retina and you see a blurry image, you are said to have _____________.


A) myopia
B) Retinal dysplasia
C) hyperopia
D) glaucoma
E) duteriopia

F) A) and D)
G) A) and B)

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Once a light stimulus has been detected by the rods or cones, it is passed first to the bipolar cells, and then onto _____________ cells whose axons form the optic nerve.


A) ganglion
B) bipolar
C) hair
D) cornea

E) None of the above
F) All of the above

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The owl and other nocturnal creatures need exceptional vision due to the low levels of light at night when they are hunting for food. Because their ability to survive depends on this keen sense of sight, their retinas contain _______.


A) more cones than rods
B) more rods than cones
C) cones but no rods
D) rods but no cones

E) B) and C)
F) All of the above

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The smallest difference between two stimuli that people can perceive 50% of the time is called the absolute threshold.

A) True
B) False

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The amplitude of a sound wave determines which sensory quality?


A) Loudness
B) Pitch
C) Frequency
D) Hertz

E) None of the above
F) A) and B)

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As you are driving through the city, you are talking to a friend on the phone. You suddenly realize that you haven't seen anything in your visual field for that past minute. Most likely, this is caused by


A) low light conditions
B) inattentional blindness
C) a perceptual set
D) shadowing
E) figure-ground distortion

F) D) and E)
G) B) and E)

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Brad is waiting outside his college to be picked up by his father. As he looks out for his father's car, he has no recollection of the other cars that drive past him. His failure to recall all other cars is due to _______________.


A) attentional blindness
B) inattentional blindness
C) attentional deficit
D) inattentional deficit

E) A) and B)
F) A) and C)

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Hold your hand a few feet away from your face. Now alternate between looking at your hand with only your right eye and then only with your left eye. You will notice that each eye has a slightly different view of your hand and the scene behind it. Special detection cells in your brain tuned to ______________ allow your brain to extract depth information from the visual scene, thus informing where your hand is in relation to the stuff behind it.


A) convergence
B) binocular disparity
C) stroboscopic movement
D) the phi phenomenon
E) motion parallax

F) A) and B)
G) D) and E)

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During a lecture, John is whispering to Jill as softly as he can. Jill can hear him only half of the time; John's whispers are at Jill's _______________ threshold.


A) difference
B) absolute
C) sensory
D) perceptual

E) C) and D)
F) B) and C)

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