Lens

Iris

Cornea

Fovea

Recognizing someone’s face

Feeling hunger

Recalling childhood memories

Remembering a phone number long enough to dial it

Decision-making stage

Perception stage

Motor execution stage

Memory stage

Delay caused by two stimuli processed in rapid succession

Reaction time in darkness

The time between sleep and wakefulness

Duration of long-term memory retrieval

Visual scanning

Chunking

Increasing light intensity

Stimulus modality

Number of response choices

Stimulus intensity

Motivation level

The study of construction processes and material properties.

A psychological method for stress management.

The scientific discipline concerned with understanding interactions among humans and system elements.

The perceived function of an object

The security of a system

The visibility of display content

The durability of materials