Chapter Three Review

Chapter Three Review - Chapter 3 Terms to Know 1. Absolute...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 3 Terms to Know 1. Absolute Refractory period- A period in which the membrane is not excitable and cannot discharge another impulse 2. Acetylcholine- An excitatory neurotransmitter that operates at synapses with muscles and is also the transmitter in some neural networks involved in memory 3. Action Potential- A nerve impulse resulting from the depolarization of an axon’s cell membrane 4. Adaptations- Biological and behavioral changes that allow organisms to meet recurring environmental challenges to their survival, thereby increasing their reproductive ability 5. Adoption studies- In which people who were adopted early in life are compared on some characteristic with both their biological parents, with whom they share genetic endowment, and with their adoptive parents, with whom they share no genes 6. Adrenal Glands- Endocrine glands that release stress hormones 7. Agoinist- A drug that increases the activity of a neurotransmitter 8. All-or-None law- Action potentials occur at a uniform and maximum intensity, or they do not occur at all 9. Amygdala- Organizes motivational and emotional response patterns, particularly those linked to aggression and fear 10.Antagonist- Is a drug that inhibit or decreases the action of a neurotransmitter 11.Antigens- Antibody generators, or foreign substances that activate the cells of the immune system
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
12.Aphasia- The partial or total loss of ability to understand speech or to produce it 13.Association cortex- Involved in many important mental functions, including perception, language, and thought 14.Autonomic Nervous system- Senses the body’s internal functions and controls the glands and the smooth muscles that form the heart, the blood vessels, and the lining of the stomach and intestines 15.Axon- An extension from one side of the neuron cell body that conducts nerve impulses to other neurons, muscles, or glands 16.Behavior Genetics- The study how heredity and environment interact to influence psychological characteristics 17.Biologically based mechanisms- Enable and predispose us to behave, to feel, and even to think in certain ways 18.Brain Stem- Support vital life functions including the medulla and pons 19.Broca’s Area- Located in the frontal lobe, is mainly involved in the production of speech through its connections with the motor cortex region that controls the muscles used in speech 20.Central Nervous System- Contains the brain and the spinal cord, which connects most parts of the peripheral nervous system with the brain 21.Cerebellum- Concerned primarily with muscular movement coordination, but it also plays a role in learning and memory 22.Cerebrum- Consists of two large hemispheres, a left side and a right side 23.Chromosome- A double stranded and tightly coiled molecule of DNA 24.CT scan- Computerized axial tomography which uses X-ray technology to study brain structures
Background image of page 2
25.Concordance- The likelihood that two people share a particular characteristic 26.Corpus callosum- A broad band of white, myelinated fibers that connects the
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 15

Chapter Three Review - Chapter 3 Terms to Know 1. Absolute...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online