How is stimulus intensity related to absolute threshold

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Assignment:

(Textbook: Psychology: Themes and Variations by McCann, Weiten, and Matheson (6th Canadian Edition).

Psychophysics: Basic Concepts and Issues

What is a threshold and an absolute threshold?
How is stimulus intensity related to absolute threshold?
What is a just noticeable difference (JND) and how does it relate to Weber's Law?
What is the central idea of signal-detection theory?
What is subliminal perception? What is the practical significance of subliminal perception?
What is sensory adaption? Give an everyday example of sensory adaptation.

Our Sense of Sight: The Visual System

What are the three properties of light?
What do the lens and pupil contribute to visual functioning?
What are the functions of the rods and cones?
What are saccades?
How do we transform light waves into meaningful information?
What is the importance of the optic chiasm?
What are feature detectors?
Explain the trichromatic theory of colour vision and the opponent process theory of colour vision
How have the trichromatic and opponent process theories been reconciled to explain colour vision?

The Visual System: Perceptual Processes

What was the basic premise of Gestalt psychology?
What is feature analysis, and what is the difference between top-down and bottom-up processing?
What are the Gestalt principles of form perception?
How do perceptual hypotheses contribute to form perception?
What is depth perception?
What are some binocular and monocular depth cues?
Are there cultural differences in depth perception?
What are perceptual constancies?
What is an optical illusion?
What do optical illusions reveal about perceptual processes?

Our Send of Hearing: The Auditory System

What are the three key properties of sound?
How are these properties related to auditory perceptions?
What are the key structures in the ear that are involved with processing sound?
What were the central ideas of place theory and frequency theory?
How were the two theories reconciled?

Our Chemical Senses: Taste and Smell

Where are the receptors for taste?
How many basic tastes are there?
How do people vary in taste sensitivity?
Where are the receptors for smell?
Are there primary odours?
How well do people perform when they are asked to name odours?

Reference no: EM133977787

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