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Psychology 101
First Test
201
Psychology
Undergraduate 1
10/07/2009

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Term
Psychology is...
Definition
...a way of answering questions about behavior.
Term
Behavior
Definition
What we do.
Term
Mental Processes
Definition
Internal, subjective experiences.
Term
Humanities
Definition
The study of behavior and society by analyzing, criticizing, and speculating.
Term
Social Sciences
Definition
The study of behavior and society by using Empirical Methods.
Term
Natural Sciences
Definition
The study of nature by using Empirical Methods.
Term
Empiricism
Definition
The theory that knowledge lies in experience (via senses).
Term
Rationalism
Definition
A way of analyzing things by using intuition, or common sense (Hypothesizing).
Term
What type of science is Psychology?
Definition
Social Science
Term
The Process of Critical Thinking includes...
Definition
Examining assumptions
Looking at hidden values
Evaluating evidence
Assessing conclusions
Term
Scientific Method
Definition
A way of going about proposing ideas and testing them through empirical principles.
Term
Psychology is a complicated science because...
Definition
Human behavior is complex, ideas and feelings are difficult to measure, experiments can be unethical, and there are always biases.
Term
Hindsight Bias
Definition
Term
Overconfidence
Definition
Term
Where does psychology stem from?
Definition
Philosophy, Biology, Medicine, Neurology, and Physics.
Term
Who was the first person to perform a psychological experiment and what was it?
Definition
Wilhelm Wundt, bouncing a ball and seeing people's reaction time.
Term
Psychological Schools
Definition
Beliefs about what psychology should study and how it should be studied.
Term
The first two psychological schools were...
Definition
Structuralism and Functionalism.
Term
Structuralism
Definition
What are the pieces of the mind? Examined using introspection.
Term
Functionalism
Definition
How do the pieces of the mind serve us? Examined using introspection and rationalism.
Term
Introspection
Definition
The contemplation of your own thoughts and desires and conduct.
Term
Biopsychosocial Approach
Definition
A way of studying behaviors or mental processes using genetics, learned fears & expectations, and the presence of others in our culture, society, family, ect.
Term
Nature vs. Nurture
Definition
Asking the question what are the contributions of biology and experience to human thought and behavior?
Term
School of Neuroscience
Definition
How the body and brain enable emotions, memories, and sensory experiences.
Term
School of Evolution
Definition
How the natural selection of traits promotes the perpetuation of one's genes.
Term
School of Behavior Genetics
Definition
How much our genes and our environment influence our individual differences.
Term
School of Psychodynamics
Definition
How behavior springs from unconscious drives and conflicts.
Term
School of Behavior
Definition
How we learn observable responses.
Term
School of Cognition
Definition
How we encode, process, store, and retrieve information.
Term
School of the Social-Cultural
Definition
How behavior and thinking vary across situations and cultures.
Term
Basic Researchers
Definition
Pure science that seeks to increase our knowledge.
Term
Applied Researchers
Definition
Science that seeks to help solve specific current problems.
Term
Biopsychologist
Definition
A basic researcher who studies the links between the brain, body and the mind.
Term
Developmental Psychologist
Definition
A basic researcher that studies normal change and problems which relate to the growth and decline across the lifespan.
Term
Cognitive Psychologists
Definition
A basic researcher that studies how we perceive, think, and problem solve.
Term
Personality Psychologists
Definition
A basic researcher who studies individual differences across people.
Term
Social Psychologists
Definition
A basic researcher who studies how we view and affect one another.
Term
Industrial/Organizational Psychologists
Definition
An applied researcher who studies the psychology of the workplace.
Term
School Psychologists
Definition
An applied researcher who studies the psychology of education.
Term
Counseling Psychologists
Definition
An applied researcher who studies the psychology of adjustment and developmental changes.
Term
Clinical Psychologists
Definition
An applied researcher who studies the psychology of abnormal behavior and mental disorders.
Term
What are the Three Major Types of Research?
Definition
Description, Correlation, and Experimentation.
Term
Description Research
Definition
Basic observation and reporting; no attempt to explain behavior, link events, or show causation.
Term
Correlation Research
Definition
Basic observation and reporting, with the addition of using statistical techniques to examine whether events, behaviors, etc are more likely to occur together.
Term
Experimentation Research
Definition
Observation of the results of manipulating one event to see a change in another event.
Term
What are always parts of research?
Definition
Mean, Median and Mode.
Term
Mean
Definition
Average
Term
Median
Definition
Physical Middle
Term
Mode
Definition
Most Common
Term
Naturalistic Observation
Definition
Recording the behaviors of any organism in its natural environment without interference.
Term
What are the advantages, disadvantages, and common uses of Naturalistic Observation?
Definition
Advantages: Little risk of contamination.
Disadvantages: Only the researcher's perspective, sometimes unethical.
Common Use: Social psych research-people's interactions.
Term
Case Study
Definition
One person (or group) is studied in depth.
Term
What are the advantages, disadvantages and common uses of Case Studies?
Definition
Advantages: Very detailed.
Disadvantages: Strong possibility the case could be atypical.
Common uses: To study either highly typical or atypical cases, to suggest further hypotheses.
Term
Generalizability
Definition
The ability to generalize to other people, groups, and situations.
Term
Qualitative Interviews
Definition
A small number of people are asked a structured set of questions.
Term
What are the advantages, disadvantages and common uses of Qualitative Interviews?
Definition
Advantages: Similar depth to a case study but with some comparisons.
Disadvantage: Still limited in terms of generalizability.
Common Uses: To illustrate a phenomenon in depth, to allow participants to tell researchers, in their own words, what is happening to them.
Term
Survey
Definition
A large number of people are asked a structured set of questions with a set pattern of responses.
Term
What are the advantages, disadvantages and common uses of Surveys?
Definition
Advantages: Much better generalizability.
Disadvantages: Not a lot of depth, easy for people's responses to be manipulated, participants aren't able to explain themselves.
Common Uses: To make broad statements about all people or large groups of people, to collect information to look at statistically.
Term
Sampling
Definition
Selecting participants from a population (target group of people) to study.
Term
Correlation
Definition
Examining basic patterns of relationships between different variables (co-relation).
Term
Variable
Definition
Any factor being studied.
Term
Correlation Coefficient
Definition
Statistical result which tells us about the relationship between two variables ranging from (-1.00) to (+1.00).
Term
What are the advantages, disadvantages and most common uses of Correlation?
Definition
Advantages: Understand patterns of relationships, confirm or disconfirm perceived relationships, predict one variable through knowing another.
Disadvantages: Correlation does not equal causation.
Common Uses: To look at relationships between variables that we cannot manipulate to see causation.
Term
Experimentation
Definition
Laboratory study which manipulates one or more variables to see the effect on others.
Term
Independent Variable (IV)
Definition
The variable which is manipulated.
Term
Dependent Variable (DV)
Definition
The variable we expect the IV to affect.
Term
Experimental Condition
Definition
Part of the study where participants receive some sort of intervention or treatment.
Term
Control Condition
Definition
Part of the study where participants do not receive the intervention (or a placebo).
Term
Placebo Effect
Definition
Change in the dependent variable which occurs in the control condition.
Term
What are the Major Research Ethics? (5)
Definition
Informed Consent, Voluntary Participation, Maximization of Benefit (Justifiable Benefit), Minimization of risk (Least Harmful Study), Ratio of Benefit to Rish (The more benefit, the more risk).
Term
Biological Psychology (Biopsychology)
Definition
The branch of psychology concerned with the link between the brain and behavior.
Term
Nervous System
Definition
The body's information and Communication system built from neurons.
Term
Neurons
Definition
Billions of interconnected nerve cells that make up the nervous system and communicate electrochemically.
Term
Cell Body (Soma)
Definition
Life support center of the cell.
Term
Dendrites
Definition
Receiving end of the neuron that intercepts messages from other neurons or sensory receptors, depending on what type of neuron.
Term
Axon
Definition
Part of the transmitting end of the neuron which transmits electrical impulses out the neuron.
Term
Myelin Sheath
Definition
Insulation layer of fatty tissue on some axons.
Term
Axon Hillock
Definition
Portion of axon near cell body which contains channels letting ions in and out of the cell.
Term
Step 1 of Neuron Communication
Definition
First neuron releases neurotransmitters from its terminal branches across the synaptic gap.
Term
Step 2 of Neuron Communication
Definition
Receptors on the dendrites of the next neuron receive the neurotransmitters, restarting the communication in the next neuron. (The right neurotransmitter must enter the right receptor)
Term
Reuptake
Definition
Occurs when excess neurotransmitters are reabsorbed by the sending neuron.
Term
What charge are neurons and what elements do they contain?
Definition
Negatively charged, containing protein (A-) and Ion Potassium (K+)
Term
What charge is the neuron at rest?
Definition
-65mV
Term
What Ions are found outside the neuron?
Definition
Sodium (NA+), Calcium (Ca2+), and some Chloride (Cl-).
Term
How do neurons become more positively charged and why is it important?
Definition
They receive more Sodium and the cell reaches +40mV. It's important so that the neuron can relay a message.
Term
Action Potential
Definition
Electrical firing which will travel down the axon and cause the terminal branches to release neurotransmitters.
Term
Refractory Period
Definition
The time in which the neuron balances back to -65mV so that it can fire again.
Term
Acetylcholine (ACh)
Definition
Neurotransmitter that enables muscle action, learning, and memory.
Term
Dopamine
Definition
Neurotransmitter that influences movement, learning, attention and emotion.
Term
Serotonin
Definition
Neurotransmitter that affects mood, hunger, sleep, and arousal.
Term
Norepinephrine
Definition
Neurotransmitter that helps control alertness and arousal.
Term
GABA (gammaanimobutyric acid)
Definition
A major inhibitory neurotransmitter.
Term
Glutamate
Definition
Neurotransmitter that is very excitatory; involved in memory.
Term
Endorphins
Definition
A collection of neurotransmitters released in response to pain (including vigorous exercise) that act as painkillers.
Term
Agonists
Definition
Molecules similar enough to a neurotransmitter to mimic its effects. (May also block reuptake allowing more of the real neurotransmitter to stay around).
Term
Morphine
Definition
An agonist that acts as an endorphin.
Term
Prozac
Definition
An agonist that acts as a reuptake inhibitor for serotonin.
Term
Sarin Gas
Definition
Chemical warfare agent which is an ACh agonist.
Term
Terminal Branches
Definition
Part of a neuron that acts as a junction to other cells.
Term
Synapse
Definition
Connection of terminal branches to other dendrites.
Term
Antagonists
Definition
Molecules similar enough to a neurotransmitter to bind with the receptor (getting in the way so the connection doesn't work).
Term
Botulin
Definition
ACh antagonist that creates paralysis (botox).
Term
Central Nervous System (CNS)
Definition
Brain & spinal cord
Term
Peripheral Nervous System (PNS)
Definition
Links CNS to muscles, sense receptors, glands
Term
Sensory Neurons
Definition
Connect to sense receptors and body tissue.
Term
Interneurons
Definition
Primary part of the CNS, receives messages from sensory neurons, sends messages to motor neurons.
Term
Motor Neurons
Definition
Relay commands from interneurons to body's tissue.
Term
Somatic Nervous System
Definition
A subdivision of the Peripheral Nervous System (voluntary control).
Term
Autonomic Nervous System
Definition
Subsystem of the Peripheral Nervous System (involuntary control, such as glands and internal organs).
Term
Sympathetic Subsystem
Definition
A subsystem of the subsystem Autonomic Nervous System that controls arousal.
Term
Parasympathetic Subsystem
Definition
A subsystem of the subsystem Autonomic Nervous System that controls calming.
Term
Endocrine System
Definition
Body's "slow" communication skills (glands, bloodstream). It is responsible for the growth and maintenance of the body, communicating through hormones.
Term
Hypothalmus
Definition
Brain region responsible for body’s maintenance.
Term
Pituitary Gland
Definition
The master gland that controls growth and sends signals to begin sexual development.
Term
Thyroid
Definition
Gland controlling metabolism
Term
Pancreas
Definition
Gland controlling blood sugar level.
Term
Ovaries and Testes
Definition
Glands controlling the reproductive organs.
Term
Adrenal Glands
Definition
Glands controlling the reaction to threat or stressors.
Term
Sympathetic Nervous System
Definition
Signals the inner part of the adrenal gland. (check Mod 41)
Term
Pituitary Glands signal...
Definition
the outer part of the adrenal gland.
Term
Chronic Stress
Definition
continues to deplete the immune system, disrupt the sleep cycle, and starts to impair memory.
Term
What helps stress?
Definition
Vigorous exercise, stretching, listening to music, breathing exercises, positive reframing, positive social interaction, sex.
Term
Phineas Gage
Definition
Term
Henry Molaison
Definition
Term
Harvard Brain Bank
Definition
Term
Brain Lesion
Definition
Experimentally destroying brain tissue to study animal behavior.
Term
Electroencephalogram (EEG)
Definition
Recording of the electrical waves sweeping across the brain's surface, measured by electrodes placed on the scalp.
Term
PET (positron emission tomography) Scan
Definition
Records radiation waves in brain activity.
Term
MRI (Magnetic Resonance Imaging)
Definition
Magnetic fields and radio waves produce computer generated images distinguishing tissue.
Term
Brainstem
Definition
Oldest part of the brain beginning where the spinal cord swells and enters the skull.
Term
Medulla
Definition
Controls heartbeat and breathing. (bottom stem)
Term
Reticular Formation
Definition
Helps control arousal (middle ball)
Term
Thalmus
Definition
Sensory Processing (top ball).
Term
Cerebellum
Definition
Helps coordinate voluntary movements and balance. (back underpart of the brain)
Term
Lymbic System
Definition
Emotional regulation (lower middle of the brain)
Term
Hippocampus
Definition
Part of the limbic system, controls memory and spatial navigation (blue, bottom of the penis-like thing).
Term
Amygdala
Definition
Part of the limbic system, controls fear and anger (tip of the penis).
Term
Hypothalamus
Definition
Part of the limbic system which directs several maintenance activities like eating, drinking, body temperature, and emotions. (Middle earlike part).
Term
Cerebral Cortex
Definition
The body's ultimate control and information processing center, the outermost layer of the brain.
Term
How many hemispheres does a brain have? What are they called? What connects them?
Definition
Two, left and right, the corpus callosum.
Term
How many lobes does a hemisphere have?
Definition
4
Term
Frontal Lobe
Definition
Attention, long term memories, planning, problem solving, motivation, emotion, norms.
Term
Broca's Area
Definition
Speech Production
Term
Broca's Aphasia
Definition
Condition marked by the inability to produce language.
Term
History of the Frontal Lobotomy
Definition
Believed that severing the frontal lobe from the limbic system would cure mental illness, 1890, Switzerland, Gottlieb Burckhardt, reintroduced to US in 1930s by Walter Freeman.
Term
Parietal Lobe
Definition
Top rear of the head, integration of sensory information, important to vision and spatial relations, linked to math and writing, disturbance can cause stroke.
Term
Occipital Lobe
Definition
Lower back of brain, visual processing sign, color, movement, hallucinations.
Term
Temporal Lobe
Definition
At temples behind ear, auditory processing, hearing. Wernecke's Area- Language, comprehension, Wernecke's aphasia.
Term
Sensory Cortex
Definition
Receives info from skin surface and sense organs, left hemisphere.
Term
Motor Cortex
Definition
area at the rear of the frontal lobes controlling voluntary movement, right hemisphere.
Term
Behavior Genetics
Definition
Weighing the influence of genetics on our behaviors and more complex psychological traits.
Term
Chromosomes
Definition
Threadlike structures made up of DNA.
Term
DNA (deoxyribonucleic acid)
Definition
Each chromosome is made up of these tightly would complex structures which is the code.
Term
Genes
Definition
Small segments of DNA which act as the guidebook or blueprint for our development. 46 in humans.
Term
Genome
Definition
Shared sequence of genes for a species, the entire set of instructions carried in DNA to create an organism.
Term
The Human Genome
Definition
99.9% identical to each other, 96% to chimps.
Term
Identical Twins
Definition
Start as one zygote but split into two organisms, genes are identical.
Term
Fraternal Twins
Definition
Start as two eggs fertilized by 2 sperm, genes are independent.
Term
Can environment change the influence of genetics?
Definition
Yes.
Term
Molecular Genetics
Definition
Identifying which genes influence complex behaviors and diseases.
Term
Temperament
Definition
Emotional Excitability.
Term
Polygenetic Inheritance
Definition
Multiple genes influence behavior.
Term
Huntington's Disease
Definition
Heritable disease of the central nervous system, death of neurons in the limbic system, problems in muscle coordination/cognition.
Term
Autism
Definition
Influence of chromosomes 5, 7 and 17, plus possible environmental factors.
Term
Genetic Mutation
Definition
Changes in DNA (can be good or bad)
Term
Natural Selection
Definition
Traits which help an organism survive or reproduce to pass on a species.
Term
Evolution in Humans
Definition
It's difficult to say what's genetic and what's environmental.
Term
Gender Differences
Definition
Men are genetically predisposed to be more interested in sex since having more sexual partners is for them reproductive success, but woman can only carry one man's child at a time.
Term
Prenatal Environment
Definition
Maternal Health and Age, Maternal nutrition, Maternal Stress, Injury, Teratogens.
Term
Teratogens
Definition
Alcohol, aspirin, cough syrup, B vitamins, cocaine (all when used be a pregnant woman).
Term
Early Experience/Brain Development
Definition
Neural Tissue growth directed by DNA, influenced by learning.
Term
Albert Bandura
Definition
Looked at the influence of learning on development, found we are more likely to follow the example of those most like us (culture, norms)
Term
Individualism
Definition
Priority is given to one's own goals, desires, needs versus those of the group.
Term
Collectivism
Definition
Priority is given to the group's goals, desires, needs versus those of the individual.
Term
Biological sex
Definition
Differences in chromosomal make-up. There are 23 pairs of chromosomes, first 22 have nothing to do with sex. XX=Girl XY=Boy.
Term
Why do dads determine the sex of the baby?
Definition
Mom's always give X chromosome, but dad's can give either X or Y.
Term
X Chromosome
Definition
longer, more complete
Term
Y chromosome
Definition
shorter, missing some genes
Term
Gender
Definition
Assumed characteristics of being male or female.
Term
Cross-Cultural Studies
Definition
Seeking Universal behaviors (sense of smell, depression, suicide, alcoholism, anxiety, emotional expressiveness, autism)
Term
Gender Roles
Definition
Cluster of behaviors expected of those who occupy a particular social position.
Term
Sensation
Definition
process by which our sensory receptors and nervous system receive and represent stimulus energies from the environment.
Term
Perception
Definition
the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events.
Term
Bottom-Up processing
Definition
Analysis begins with the sense receptors and the brain constructs the perception, happens during unfamiliarity or confusion.
Term
Top-Down Processing
Definition
Analysis begins with the sense receptors, but the brain jumps to conclusions, you experience the perception before all the info is available, able to be done when you have a shema for the sensation.
Term
Light waves (radiation waves)
Definition
Color, amplitude determines brightness
Term
Sound waves (air molecules vibrating in waves)
Definition
Determines pitch, volume.
Term
Wavelenth
Definition
distance from peak to peak of a sound or light wave.
Term
Phototransduction
Definition
Conversion of light energy into neural impulses that the brain can understand.
Term
Pupil
Definition
Over the lense
Term
Lens
Definition
Behind the pupil, focuses the light rays on the retina
Term
Iris
Definition
Middle of the pupil, expands and contracts to control light entering.
Term
Cornea
Definition
covers the eye, transparent, where light enters
Term
Optic Nerve
Definition
connects the eye to the brain's visual cortex
Term
Fovea
Definition
point of central focus in an eye
Term
Retina
Definition
Big part of the eye that makes it circular, contains sensory receptors that process visual info and send it to the brain.
Term
ALSO STUDY PICTURES OF WAVELENGTH
Definition
Term
Cone
Definition
Term
Rod
Definition
Term
Young-Helmholtz Trichromatic Theory
Definition
Retina has 3 types of color receptors, red, blue and green, explains color blindness, but doesn't explain afterimage.
Term
Hering’s Opponent-Process Theory
Definition
Additional color processes happen after leaving the receptor cells (rods/cones). Visual info is analyzed in terms of opposing colors (Red/green, blue/yellow, black/white).
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