Exam 5: Sensation and Perception

Under conditions of low illumination, cones are most sensitive to light in the green-yellow part of the colour spectrum.

What is transduction and how does this process occur in the photoreceptors of the eye?

According to research results, what effects do subliminal stimuli have on consumer behaviour, attitudes, and self-improvement outcomes?

The jnd value for weights is approximately 1/50. If you can lift a weight of 500 grams, a comparison weight must weigh at least _________ gram(s) more in order for you to be able to judge it as heavier.

What is the difference between a perceptual schema and a perceptual set? Describe the Vincennes radar incident and the causal factors that appeared to contribute to the creation of this perceptual set problem. Discuss the results obtained by Harold Kelly when he invited a "guest lecturer" to speak to his class and how his results are related to social perceptions.

Joie de Vivre is a new perfume from Chanel that claims to be a sexual attractant based on naturally occurring human chemicals. If this is accurate, then the perfume most likely contains

The Gestalt law that states that when parts of an array of stimuli are perceived as being alike, they will be perceived as belonging together is the Gestalt law of _______________.

Ron is a spectator at a soccer game. Using the colour of their uniforms as a guide, he effortlessly perceives the players on the field as two distinct teams instead of a large group of individuals. This example best illustrates which of the following concepts?

In the eyes, the colour receptors and function best in bright illumination are _______________.

Research on attention using the shadowing technique has revealed that

How does the structure of the auditory system permit humans to localize sounds? What sensory information is used by the brain in localization?

Weber's law states that the difference threshold is directly proportional to the ____________ of the stimulus with which a comparison is being made.

Robert really enjoys a good meal. Unfortunately, through the years, Robert has also enjoyed chewing tobacco and now has cancer of the tongue. After surgery in which most of his tongue is removed, Robert worries that he has lost all ability to taste food. This is an unfounded worry on Robert's part as __________.

Despite her closet being dark, Reena is able to find the correct shade of the shirt she is looking for because of _______________ constancy.

Gestalt psychologists refer to our tendency to organize incoming stimuli into a central object with some kind of backdrop behind as

The recognition of an incoming stimulus is presumably facilitated by the presence of a mental representation or image to which we compare a stimulus. This is called a ________.

You have just arrived at the library to study and just as you are starting to read your assignment, a group of students at a nearby table begin a loud conversation. At first, these extra sounds annoy you, but you return to your reading and pretty soon, you are no longer aware of them, even though the students are continuing to talk. This example is most similar to what is known as

Alexis wasborn with a rare hereditary condition such that in her retina she has no rod photoreceptors, but only cone photoreceptors. Given the anatomy of her retina, which of the following is true regarding her vision?

The difference threshold is often referred to as _______________.

The diminishing sensitivity of a neuron to an unchanging stimulus is called