Neurons
Perception
Eyes, Ears, Nose
The Brain
The Brain and Sensation
100
This part of the neuron receives messages from other cells.
What are dendrites?
100
The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment
What is perception?
100
This ring of muscle tissue controls the the size of the pupil opening; also is the eye color
What is the iris?
100
This is the master gland of the body
What is the pituitary gland?
100
This part of the brain manages smell.
What is the olfactory bulb?
200
This part of the neuron passes messages away from the cell body to other neurons, muscles, or glands.
What is an axon?
200
The focus of conscious awareness on a particular stimulus
What is selective attention?
200
Retinal receptors that detect black, white, and gray; necessary for peripheral vision
What are rods?
200
The brain and the spinal cord make up this part of the body.
What is the central nervous system?
200
This part of the brain manages sight.
What is the occipital lobe?
300
This part of the neuron is the cell's life-support center.
What is a cell body?
300
Failing to see visible objects when our attention is directed elsewhere
What is inattentional blindness?
300
These are the three smallest bones in the human body, located in the middle ear
What are the hammer, anvil and stirrup?
300
This system controls our voluntary actions
What is the semantic nervous system?
300
This part of the brain manages taste.
What is the olfactory bulb?
400
This part of the neuron covers the axon and helps speed neural impulses.
What is a myelin sheath?
400
The minimum difference between two stimuli required for detection 50 percent of the time
What is the difference threshold?
400
Retinal receptor cells that are concentrated near the center of the retina; detect fine detail and color
What are cones?
400
These are activated when neurons communicate with each other.
What are neurotransmitters?
400
This part of the brain manages hearing.
What is the temporal lobe?
500
These are the gaps between neurons.
What are synapses?
500
The intensity of which we can detect a stimulus 50 percent of the time
What is absolute threshold?
500
Number of smells the human nose can identify
What is 10,000?
500
These neurons are activated to control voluntary movement.
What are motor neurons?
500
This part of the brain manages emotional management.
What is the limbic system?
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