Exam 5: A: Sensation and Perception

At first,a golfer is having a difficult time deciding whether a large mound is in front of or behind a distant hole.Since the mound partially blocks a flag that indicates the location of the hole,he concludes that the hole is farther away than the mound.Which term best reflects this pictorial cue?

Which colour has an intermediate amount of saturation?

When do Meissner corpuscles respond best?

Describe how we perceive depth.Include binocular cues,motion cues,and pictorial cues.

How is sound created? What are the psychological dimensions of sound? Briefly explain the physiology of hearing.How is the auditory system able to carry out sound localization?

James has a pocket full of pennies and nickels that spill all over the floor.When James looks at the scattered pile,he notices that he automatically groups the two types of coins according to colour.Which grouping principle is being described?

Ambiguity is an important concept in understanding perception because it shows that a single image at the sensory level can result in multiple interpretations at the perceptual and identification levels.

Psychophysicists provide a set of procedures to facilitate the study of the relationship between physical events and psychological experiences.What have psychophysicists learned about sensory thresholds? Include a short discussion of signal detection theory.How do theorists combine bottom-up and top-down influences to show how percepts are given meaning? Discuss response bias.

In recent years,researchers have found receptors for a fifth basic taste quality,umami,which is the flavour of monosodium glutamate.

In a signal detection study,an observer who is a yea sayer will give a high number of hits,but will also have a high number of false alarms.

Why are psychologists who study sensory processes most likely to use signal detection theory?

__________ refers to the stage in which your brain integrates evidence from your senses with prior knowledge of the world to form an internal representation of an external stimulus.