Sensation Ch 8 part 1

The organization of sensory information into meaningful experiences. 

• Sensation
• Perception
• Psychophysics
• Absolute Threshold

The weakest amount of a stimulus that a person can detect half the time.

• Sensation
• Perception
• Psychophysics
• Absolute Threshold

What occurs when a stimulus activates a receptor

• Sensation
• Perception
• Psychophysics
• Absolute Threshold

The study of people's tendencies to make correct judgements in detecting the presence of stimuli.

• Absolute Threshold
• Difference Threshold
• Weber's Law
• Signal-detection theory

The principle that the larger or stronger a stimulus, the larger the change required for an observer to notice a difference.

• Absolute Threshold
• Difference Threshold
• Weber's Law
• Signal-detection theory

The innermost coating of the back of the eye, containing the light-sensitive receptor cells.

• Pupil
• Lens
• Retina
• Optic Nerve

Carries impulses from the retina to the brain.

• Pupil
• Lens
• Retina
• Optic Nerve

A flexible, transparent structure in the eye that changes its shape to focus light on the retina.

• pupil
• lens
• retina
• optic nerve

The innermost coating of the back of the eye, containing the light-sensitive receptor cells.

• Pupil
• Lens
• Retina
• Optic Nerve

The sense of movement and body position

• Auditory Nerve
• Olfactory Nerve
• Vestibular System
• Kinesthesis