PSY100 Exam 2 Reivew

What is the detection of physical stimulus?

• Perception

• Sensation

• Transduction

• Threshold

What is the process of changing physical energy into something the brain can manipulate and use called?

• Adaptation

• Transduction

• Sensation

• Perception

What can be measured by taking the smallest amount of stimulus and gradually increase its strength until an individual can correctly guess the presence 50% of the time?

• Difference Threshold

• Adaptive Threshold

• Absolute Threshold

• Just-recognizable- level

What term describes why you may not notice stimulus as much after an extended period of time?

• Difference Threshold

• Weber's Law

• Wundt's Law

• Sensory Adaptation

What physical energy makes vision possible?

• Light emitted from the eyes

• Light waves

• Potential energy

• Kinetic energy

____ are photoreceptors that produce low visual acuity but are decent at night vision.

• Pacinean corpusles

• Hair cells

• Rods

• Cones

Where is the highest concentration of cones?

• Optic chiasm

• Optic spot

• Blind chiasm

• Fovea

What causes a person's blind spot in each eye?

• Optic chiasm

• Optic cell mass

• Optic nerve

• Iris

Where does the optic nerves cross in the brain?

• Optic disc

• Blind spot

• Pinna

• Optic chiasm

The outer ear structure used to funnel sound waves to the inner ear is called the ____.

• Pinna

• Cochlea

• Eardrum

• Stapes