Smell is to _______ as taste is to ______. 

Jane takes medication to treat her depression that blocks serotonin from reentering the neuron, allowing more serotonin to stay in the synapse. This is an example of what type of psychoactive drug? 

The _______ of light waves determines the intensity of color.

A pharmaceutical company wants to test the effectiveness of a new depression medication. To do so, they have participants randomly assigned to either receive the medication or a sugar pill. What are researchers trying control for in this experiment?

__________ messages are messages that are presented below the threshold of conscious awareness. 

What is the main part of the neuron? 

To image electrical activity of neurons firing in the brain researchers use __________ which attaches electrodes to the outside of a person’s head. 

The _______ of light waves determines the intensity of color. 

Which sense monitors balance and body position? 

Jessica’s mom baked cookies for dessert. Jessica’s house is now filled with the delicious scent of fresh baked cookies. After a little while Jessica no longer smells the scent of the cookies. Jessica is experiencing ___