Exam 6: Sensation and Perception

_______________ is a measure of the smallest amount of energy a person can reliably detect.

The absence of normal levels of sensory stimulation is called _______________.

The Gestalt psychologists belonged to a movement that began in Germany and became influential in the 1920s. What does the word gestalt mean in German and why is it well-suited to this theory? How did Gestalt psychologists study the organization of the visual world? Name four Gestalt principles and give an example that illustrates each principle.

The wavelength of light is related to our perception of _______________.

The textbook illustrated the production of negative afterimages by suggesting that readers stare at the centre of a green heart, edged in yellow. After 20 seconds, when the gaze was switched to a white paper, there was a "change of heart!" What colours did you "see" in the image of the heart on the white paper? How does opponent-process theory explain this finding?

Like human infants, kittens are born with the ability to detect horizontal lines and vertical lines. In one famous study, kittens were reared in darkness for five months after birth. But for several hours each day, they were put into a special cylinder that permitted them to see only vertical or horizontal lines and nothing else. Describe the results of this research study.

Hubel and Wiesel discovered feature detector cells in the visual cortex that respond selectively to:

Karen has suffered from phantom limb pain for several years. She visits a neurologist, who proposes trying a therapeutic treatment developed by Vilayanur Ramachandran. Karen is surprised that this simple treatment uses:

Rita's favourite navy-blue sweater is perceived as maintaining its hue whether Rita is outdoors or indoors. But the wavelengths of light reaching Rita's eyes change as the illumination changes. Explain why.

Which of the following is an accurate statement regarding audition?

The auditory receptors are located in the _______________.

The information from rods and cones is communicated to ganglion cells by:

The actual "detectors" for taste are called _______________.

In a signal detection task, the participant doesn't detect a signal but a signal was present. This is called a _______________.

At the orientation for first-year students, April felt overwhelmed by the number of people, the multiple conversations, and the forms that needed to be completed. April is experiencing _______________.

Investigators have found that human tongues:

The coloured part of the eye is called the _______________.

In a signal detection task, the participant reports a signal and a signal was present. This is called a _______________.

Aiko is a Japanese national living in Canada. She invites her Canadian friends to her home and the raw oysters, raw smoked salmon, and raw herring that she serves are well received. But when Aiko's guests notice the raw sea urchin and the raw octopus, they get squeamish, even after she explains that they taste good! Explain the differences in taste preferences between Aiko and her American friends.

The research about kittens raised in horizontal or vertical environments demonstrates the concept of _______________.