The perspective described by Sigmeund Freud that argued the unconscious mind controls much of our thoughts and actions
What is the psychoanalytic perspective?
A proposed statement that expresses a relationship between two variables
What is a hypothesis?
Branchlike parts of a neuron that stretch out from the cell body
What are dendrites?
The smallest amount of a stimulus we can perceive
What is the absolute threshold?
Sometimes called paradoxical sleep, it is the stage of sleep when most dreams occur
What is REM sleep?
Led by figures like Abraham Maslow and Carl Rogers, this perspective stressed individual choice and free will
What is the humanist perspective?
The only research method that can show a causal relationship
What is an experiment?
The electric charge that spreads down the length of a neuron after the threshold is achieved
What is an action potential?
Special neurons here at the back of the eye are activated by light and send impulses along the optic nerve to the occipital lobe of the brain
What is the retina?
Drugs that mimic neurotransmitters that fit into the receptor sites on a neuron that would normally receive the neurotransmitter
What is an agonist?
The perspective that explain human thought and activity in terms of conditioning and learning
What is the behavioral perspective?
The method followed so that neither the participants nor the researcher are aware of who is in the experimental or control groups while the experiment is going on
What is a double-blind study?
All the nerves in your body other than the brain and spinal cord nerves
What is the peripheral nervous system?
Shaped like a snail's shell and filled with fluid, neurons here are activated by movement of hair cells
Including morphine, heroine, and methadone, the family of drugs that serve as powerful painkillers and mood elevators
What are opiates?
Influenced by Charles Darwin, this perspective examines human thoughts and actions in terms of natural selection
What is the evolutionary perspective?
The quality that research shows when it measures what the researcher set out to measure
What is validity?
Meaning "little brain", the part of the brain that coordinates some habitual muscle movements
What is the cerebellum?
The law that states the more intense a stimulus is, the more it will need to change before we notice a difference
What is Weber's Law?
A rare sleep disorder in which a person may suddenly fall asleep regardless of what they are doing at the time
What is narcolepsy?
The perspective that examines human thought and behavior in terms of how we interpret, process, and remember environmental events
What is cognitive perspective?
Named after a factory, the notion that being selected to be in a group of people to participate in an experiment will affect the performance of that group, regardless of what is done to those individuals
What is the Hawthorne Effect?
Located in the left temporal lobe, the area that interprets both written and spoken speech that if damaged would afffect the ability to understand language
What is the Wernicke's Area?
An example of selective attention, the scenario where if you are talking to a friend and someone across the room says you name, your attention will probably switch across the room
What is the cocktail-party phenomenon?
A need for more of the same drug to achieve the same effect, eventually causing withdrawal symptoms in users
What is tolerance?