After ten minutes in a pool, Dana no longer notices the cold water even though its temperature has not changed. This illustrates

In a lab, Kai detects a dim light on about half of the trials when its brightness reaches one level. That level is Kai's

A chef adds a tiny pinch of salt to soup, and no one notices; after a larger added amount, tasters say it is saltier. The noticed change is the

When light energy hitting the retina becomes neural messages sent toward the brain, the process is

At first a candle store smells intense, but after several minutes Maya barely notices the scent. Her reduced sensitivity shows

In a dark room, a researcher raises a tiny light until Nora can report seeing it on half the attempts. The researcher is measuring Nora's

A student notices when a 5 kg backpack becomes heavier, but only after enough mass is added to feel a change. The smallest noticed added mass is the

Vibrations bend hair cells in the cochlea, and those cells produce neural impulses. In hearing, this is an example of

When Liam enters the cafeteria, the odor is strong; by the end of lunch, the same odor seems much weaker. The change mainly reflects

In a silent bedroom, Asha can just barely hear a mosquito's whine, but she would not notice a softer sound. That barely detectable sound level is her

Light waves strike Jordan's retina before he recognizes the object as a red stop sign. The first step is best called

Riley sees lines, corners, and colors and identifies them as a bicycle. The identification of what those sensations mean is

A student recognizes an unfamiliar symbol by analyzing its lines and curves without a hint from context. This mainly uses

Expecting a text about practice, Priya reads a blurred word on her screen as practice even though the letters are unclear. Her reading relies mainly on

A person hears a few notes, expects a familiar song, and then perceives the next unclear note as fitting that song. This is mostly

Leo notices a change when a 50-gram package gains 5 grams. Weber's law predicts the smallest gain he would notice on a 100-gram package is

Mina notices a smell change when a 20 mL scent sample gains 2 mL of additive. By Weber's law, the just-noticeable gain for a 60 mL sample is

A traveler notices a 3 kg increase in a 30 kg suitcase. If Weber's law holds, the smallest noticeable increase for a 10 kg bag is

A listener detects a 4-unit volume increase when a tone starts at 40 units. Weber's law predicts the smallest detected increase from 80 units is

An airport screener sees a prohibited item in a bag and correctly reports that it is present. In signal detection terms, this response is

A tired lifeguard fails to notice a swimmer's real hand signal for help. In signal detection theory, this outcome is

A night nurse listening for a faint monitor alarm reports hearing it during a silent minute. In signal detection terms, the response is

A radiologist lowers her decision criterion because missing a tumor would be costly. Compared with a stricter criterion, this change tends to produce more

Transduction in vision is carried out mainly by

In psychophysics, the just noticeable difference is another name for the