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Psychology Chapter 2
Terms in this set (35)
This small forebrain structure directs appetite, thirst, and sex drive. Also controls endocrine function.
People lacking function in this structure may lose all fear and suffer a range of disorders.
The central "switching station" between the lower and higher brain.
A sub-cortical (limbic system) structure of brain that processes long term memory, and emotions.
Act like stem cells in a way. Also called housekeeper cells because they nourish, support, and protect neurons.
Controls balance and muscle coordination.
Controls heartbeat, breathing, and swallowing.
Relay messages between the cerebellum and the cortex. Also responsible for sleep, dreaming, and arousal.
The Reticular Formation
A system of nerves running from the hindbrain and through the midbrain to the cerebral cortex, controlling arousal and attention.
The corpus callosum is...
a band of nerve fibers connecting the right and left hemispheres of the brain.
Which of the following represent four characteristics of the nervous system?
Complexity, integration, adaptibility, and electrochemical transmission.
The action potential or firing potential of a neuron is best described as...
The brief wave of electrical charge that races down the axon.
Communication within a neuron is ______________, and communication between a neuron is_____________.
What is the correct route a message takes within a neuron?
Dendrite, cell body, axon.
The fight or fight system is also known as...
The sympathetic system.
The ____ is one of the most widely used imaging procedures, it works by detecting the amount of oxiginated blood in different areas of the brain while the brain is actively working. The _____ works by measuring glucose levels in various areas of the brain.
The reticular formation is primarily responsible for...
Stereotyped patterns such as walking, sleeping, or turning to attend to a sudden noise.
After Susan's car accident she experienced difficulty with balance and muscle coordination. Susan most likely has damage with her _________________.
Wernicke's area and Broca's area are located at the ____________ hemisphere of the brain, _________ area controls the production of speech and ____________ area controls speech comprehension.
Left, Broca's, Wernicke's
When a neuron is at its resting potential, what is the status of the charges on each side of the cell membrane?
There is a negative charge on the inside of the cell membrane and a positive charge on the outside.
Dendrites are fatty substances that coat and protect neurons.
False, Myelin Sheath.
The brief wave of electrical charge that races down the axon is called action potential.
An axon is a tubelike structure that carries messages to other cells.
The synaptic bulb are branch like structures that receive messages from other neurons.
The soma of a neuron is also called the cell body.
Among its most important structures are the medulla, pons, and cerebellum, damage to this area can result in severe impairment or rapid death.
Higher-order thinking, decision making, personality, and motivation are processed here.
Includes the somato-sensory cortex, wherein many skin and internal sensations are processed.
Located in the back of the cerebrum, is the principal brain structure involved in the processing of vision and facial recognition.
An area of the brain that processes heairng and language.
Computed Tomography (CT)
Involves mapping "slices" of the brain by computers, they look for things such as stroke damage, tumors, injuries, and abnormal brain structure.
Magnetic Resonance Imaging (MRI)
Provides more detail than a CT scan. Will show even small signs of damage, gives a three dimensional view of the image.
Places sponge like disks on the scalp to conduct imaging right below. Can show stages of sleep, seizures, and tumors.
Positron Emmision Tomography (PET)
Rely on the electrical activity in the brain. Person is injected with a radioactive glucose to project imaging of what's going on in the brain. This shows what a persons brain is doing during a specific task.
Functional MRI (FMRI)
Like a traditional MRI, excpet this tracks levels of oxygen in blood, give much more detail than a PET or traditional MRI. Combine images taken over time to create a movie of what is going on in the brain.
Students who restudy course material in order to pass a comprehensive examination are especially likely to demonstrate long-term retention of the course material. This best illustrates the value of
What are the three distinct parts of the ear?
A researcher believed that nature was the most important factor in a determining an individual's intelligence level, what would she most closely agree with
The school of thought within the psychology field which emphasizes the function of behavior and the study of operation of the whole mind rather than the individual parts is called:
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Which of the following would be most difficult to explain using Maslow's hierarchy of needs? a. A person who moves to a new city gets an apartment before beginning to make friends. b. A very hungry reality show contestant searches for food before trying to win a competition. c. A professor spends time socially with her colleagues before she works on her own research. d. An artist works to win a local award before spending time on his own personal projects. e. An athlete follows a "no pain, no gain" mono rather than stopping for rest and nourishment.
What are the relationships between the id, ego, and superego?
Hormones are _____ released into the bloodstream. a. neurons. b. myelin. c. action potentials. d. electrical messengers. e. chemical messengers.
An 18-month-old typically recognizes herself in a mirror. This self-awareness contributes to a. self-assurance. b. self-concept. c. self-esteem. d. self-actualization. e. self-determination.