Exam 4: E: Sensation and Perception

Mohamed is home alone one evening when he thinks he hears a voice.He investigates and finds that there's no one there.This would be called a __________ in the terminology of signal detection theory.

Special devices called __________consist of a microphone,speech processor,and electrodes,which can restore some hearing by artificially stimulating intact nerve endings in the ear.

When we look directly at an object,the light focuses on the central region of the retina,called __________ the ,which allows us to see it clearly and in full colour.

The __________ system is involved in smell-the detection of airborne particles with specialized receptors located in the nose.

Glenda looks at the textbooks on her shelf.Because her history book is covering part of her psychology book's cover,her brain can use the concept of __________ to know that the history book is closer to her.

The role of the photoreceptors in the eye is to convert the physical stimulus of light into a nerve impulse that can be relayed to the brain.This process is known as __________ .

Another name for the condition known as face blindness is __________ .

The primary taste called __________is associated with high-protein foods and the seasoning MSG.

The __________ theory explains why we see a yellow afterimage after staring at a blue wall.

In order to detect a noticeable difference between two similar stimuli,the difference between the two stimuli must be above the __________ .