Unit 1
Why don’t we always use experiments?
- Aren’t always possible
- Aren’t always ethical
What are neurons?
Nerve cells, that basic building blocks of the nervous system.
Define perception.
The process of organizing and interpreting sensory information.
What are sampling methods?
- Refer to how we select members from the population to be in the study
What kind of sleep stage is referred to as “Paradoxical Sleep?”
REM Sleep
What physical characteristic of light determines hue (the color we experience)?
Wavelength determines hue (the color we experience)
What are some things that cannot be revealed in an experiment practicing ethical guidelines?
- True purpose cannot be revealed
- Identify of participants should not be easily identified by people outside of experiment
Describe dopamine’s function.
Influences movement, learning, attention, and emotion.
What is conduction hearing loss?
Hearing loss caused by damage to the mechanical system.
What ethical guidelines safeguard human research subjects?
- Protection from harm
- Right to withdraw- Informed consent
Give an example of one type of neuron.
Sensory neuron; carry incoming information to the brain and spinal cord.
What kind of cells are embedded in the basilar membrane?
Hair cells.
What is the function of an IRB?
To review and approve research studies that use human objects.
Explain REM Sleep.
- Happens about an hour after falling asleep
- Heart rate rises, breathing becomes rapid
- Eyes dart around
- Cannot be easily awakened
What is the “Opponent-Process Theory”?
The theory that opposing retinal processes (red-green, yellow-blue) enable color vision.