Sensation Answers

Under ideal conditions, a human can detect a candle flame 30 miles away on a clear night.

Soothing musical CDs that contain imperceptible messages designed to help people eat more fruits and vegetables is an example of __________.

Research suggests that responsiveness to stimuli decreases in dangerous situations.

The stimulation of senses results from various sources of energy, such as light and sound, and the presence of chemicals.

Which of the following statements best illustrates Weber’s law?

Lucas is a sommelier, or a wine taster, whose task is to taste the slightest flavor differences between two wines. This is an example of __________.

A team of international researchers discovered a hidden sensory __________ located throughout the blood vessels and sweat glands.

The conversion of physical energy or stimuli into neural activity that can be processed by the central nervous system is __________.

All of the following are concepts in psychophysics except __________.

Psychophysics is the study of the relationship between __________ and __________.

Many animals rely on their __________ to alert them about changes in temperature.

Psychophysics is a discipline in psychology that focuses solely on the identification of stimuli.

The most complex processing of sensory information occurs in the cerebral cortex.

The next generation of imaging technology may allow scientists to see how sensory information becomes thoughts.

A person’s willingness to respond to a particular stimulus is called __________.

Noise that interferes with the ability to detect stimuli can come from any irrelevant stimuli in the environment.

Which of the following react directly to light, sound, or other stimuli by sending impulses to other neurons and, eventually, to the central nervous system?

The first step in sensation for some sensory systems is the __________, which modify incoming stimuli.