Exam 1: Introduction

Airport security is very tight. If a traveler even jokes about a bomb, they are detained and questioned to ensure that no real terrorist threat succeeds. In terms of signal detection theory, airport security would rather have a _______ than a _______.

If a stimulus is absent and the observer reports it as absent, this is called a

_______ is a psychophysical method in which the participant assigns values according to perceived magnitudes of the stimuli.

A synapse is the junction between _______ that permits information transfer.

If a participant were holding two different weights in their hands and the JND for a 10-gram weight was 1 gram, what should the JND be for a 100-gram weight, according to Weber's law?

If a stimulus is absent but the observer reports it as present, this is called a

In signal detection theory, the _______ is a value that defines the ease with which an observer can tell the difference between the presence and absence of a stimulus, or the difference between stimulus 1 and stimulus 2.

The doctrine of specific nerve energies involves the stimulation of

_______ invented the ophthalmoscope, studied hearing, and first determined the speed of neural impulses.

If a stimulus is present and the observer reports it as absent, this is called a

If a stimulus is present and the observer reports it as present, this is called a

_______ makes it possible to measure localized patterns of activity in the brain by tracing changing levels of blood oxygenation.

Which approach to studying sensation and perception would be concerned with creating a computer program that simulates perceptual processes?

Dualism is the idea that

If you are asked to taste a lemon and then adjust a light until it is as bright as the lemon is sour, you have been asked to engage in

_______ describes the relationship between a stimulus and its resulting sensation by proposing that the JND is a constant fraction of the stimulus intensity.

If you had a stroke that damaged your occipital lobe, which sense would be most likely to be impaired?

Absolute threshold is the minimum amount of stimulation necessary for a person to detect a stimulus _______% of the time.

Chemicals wafting through the air that activate olfactory neurons in your nose is _______, whereas interpreting the response of the olfactory neurons as smelling like apple pie is _______.

This concept refers to the observer's willingness to say they detected a signal.