Psych A 5.1 Review

The specific area of the parietal lobe that is involved in sensation is called ______. 

• pons

• medulla

• cerebellum

• somatosensory area

_______________ is the first stage in the chain of biochemical and neurological events that begins with a stimulus impinging upon a sensory organ.

• Sensation

• Perception

• Illusion

• Sensory adaptation

The statement, “I hear a bell ringing,” is exemplary of which phenomenon?

• Sensation

• Perception

• Illusion

• Sensory adaptation

_______________ is the minimum of stimulation that it takes for an organism to perceive something happening around it 50% of the time.

• Just noticeable difference

• Difference threshold

• Absolute threshold

• Psychophysics

What is a difference threshold?

• The difference between a correct and an incorrect sensation and perception

• The smallest amount of change in a stimulus that can still be detected

• The minimum amount of sensation the body and/or mind can take before it shuts down

• A decrease in sensitivity due to constant exposure of stimuli

Which phenomenon does the following example illustrate?

When you begin your first year of college, the tuition is $12,000. At the beginning of your second year of college the tuition has been raised by $200, but you do not notice. However, upon returning for your third year of college, you do notice that the college has raised tuition by $2, 000.

• Weber’s Law

• Signal detection

• Absolute threshold

• Illusion

Signal detection has to do with how well we can detect _________ signals measured by correct vs. incorrect responses.

• strong

• weak

• consistent

• erratic

“Tuning out” background noise is an example of what phenomenon?

• Absolute threshold

• Just noticeable difference

• Signal detection

• Sensory adaptation

What is psychophysics?

• Are ability to clairvoyantly detect changes in our surroundings

• A branch of psychology that describes the relationship between physical stimulus and our awareness of it

• A branch of psychology that focuses on malfunctions in our perceptive ability

• An rare phenomenon in which we perceive objects and sounds that are not there

When we perceive an event that has not occurred, we have perceived a(n) _________.

• threshold

• somatosensory area

• illusion

• signal detection