Shared Flashcard Set

Details

Psych Day 2 Hunger Games
Psych Day 2 Hunger Games
127
Physiology
12th Grade
04/23/2013

Additional Physiology Flashcards

 


 

Cards

Term
environment
Definition
every nongenetic influence, from prenatal nutrition to the people and things around us
Term
behavior genetics
Definition
the study of the relative power and limits of genetic environental influences on behavior
Term
chromosomes
Definition
threadlike structures made of DNA molecules that contain genes
Term
DNA
Definition
a complex molecule containing genetic info that make up chromosomes
Term
genes
Definition
biochemical units of heredity that make up chromosomes
Term
genome
Definition
complete instructions for maing an organism, consisting of genetic material in its chromosomes
Term
identical twins
Definition
twins who devlop from a fertilized egg split in two
Term
fraternal
Definition
twins who develop from separate fertilized eggs
Term
temperament
Definition
a person's characteristic emotional reactivity and intensity
Term
heritability
Definition
the proportion of variation among individuals that we can attribute to genes
Term
interaction
Definition
the effect of one factor (environment) depends on another factor (heredity)
Term
molecular genetics
Definition
subfield of bio that studies the molecular structure and function of genes
Term
evolutionary psychology
Definition
the study of the evolution of behavior and mind, using principles of natural selection
Term
natural selection
Definition
theory that those that lead to increased reproduction and survival will most likely pass down its "strong" genes to succeeding gen.
Term
mutation
Definition
random error in gene replication that leads to a change
Term
gender
Definition
bio and socially influenced characteristics by which people define male and female
Term
culture
Definition
enduring behaviors, ideas, attitudes, values, and traditions shared by a group of people and transmitted from one gen. to next
Term
norm
Definition
understood rule for accepted and expected behavior
Term
personal space
Definition
buffer zone we like to have around our bodies
Term
individualism
Definition
giving priority to one's own goals over group goals and defining one's identity in terms of personal attributes
Term
collectivism
Definition
giving priority to the goals of one's group and defining one's identity accordingly
Term
aggression
Definition
physical/verbal behavior intended to hurt someone
Term
x
Definition
sex chromosomes in men and women
Term
y
Definition
sex chromosome in men
Term
testosterone
Definition
sex hormone that stimulate the growth of male sex organs in fetus and dev. of male sex characteristics during puberty
Term
role
Definition
set of norms about a social position
Term
gender role
Definition
set of expected behaviors for males and females
Term
gender identity
Definition
one's sense of being male/female
Term
gender-typing
Definition
acquisiton of a traditional masculine/feminine role
Term
social learning theory
Definition
theory that we learn social behavior by observing and imitating and by being rewarded/punished
Term
gender schema theory
Definition
theory that children learn from their cultures a concept of what it means to be male/female and adjust behavior accordingly
Term
developmental psychology
Definition
branch of psych that studies physical, cognitive, and social change thru-out the life span
Term
zygote
Definition
fertilized egg (0-2 weeks)
Term
embryo
Definition
dev human organism (2 weeks-2nd month)
Term
fetus
Definition
dev human organism (9 weeks-birth)
Term
teratogens
Definition
agents, such as chem and viruses, that can reach the embryo/fetus during prenatal dev and cause harm
Term
fetal alcohol syndrome (FAS)
Definition
physical/cognitive abnormalities in children caused by pregnant woman's heavy drinking
Term
rooting reflex
Definition
baby's tendency, when touched on the cheek, to turn toward the touch, open mouth, and search for nipple
Term
habituation
Definition
decreasing responsiveness with repeated stimulation
Term
maturation
Definition
bio growth processes that enable orderly changes in behavior, relatively uninfluenced by experience
Term
schema
Definition
a concept or framework that organizes and interprets info
Term
assimilation
Definition
interpreting one's new exp in terms of one's existing schemas
Term
accommodation
Definition
adapting one's current understandings to incorporate new info
Term
cognition
Definition
all mental activities associated with thinking, knowing, remembering, and communicating
Term
sensorimotor
Definition
(Piaget birth-2yrs) stage in which infants know world mostly in terms of sensory impressions and motor activities
Term
object permanence
Definition
awareness that things continue to exist even when not perceived
Term
preoperational
Definition
(Piaget 2-7yrs) stage during which a child learns to use language but doesn't comprehend mental operations of concrete logic
Term
conservation
Definition
principle that properties of mass, volume, and number remain the same despite changes in the forms of objects
Term
egocentrism
Definition
pre-op child's difficulty taking another's POV
Term
theory of mind
Definition
people's ideas about their own and others' mental states about feelings, perceptions, thoughts, and behavior these might predict
Term
autism
Definition
disorder that appears in childhood and is marked by deficient communication, social interaction, and understanding of others' states of mind
Term
concrete operational
Definition
(Piaget 7-11yrs) stage during which children gain mental operations that enable them to think logically about concrete events
Term
formal operational
Definition
(Piaget 11 on) stage during which people begin to think logically about abstract concepts
Term
stranger anxiety
Definition
fear of strangers that infants commonly display, beg by 8 months age
Term
attachment
Definition
emotional tie with another person (young children and caretaker; stress when away)
Term
critical period
Definition
optimal period shortly after birth when an organism's exposure to certain stimuli/experiences produces proper dev
Term
imprinting
Definition
process by which certain animals form attachments during a critical period very early in life
Term
basic trust
Definition
(Erikson) sense that world is predictable and trustworthy
Term
self-concept
Definition
sense of one's identity and personal worth
Term
adolescence
Definition
transition period from childhood to adulthood
Term
puberty
Definition
period of sexual maturation
Term
primary sex characteristics
Definition
body structures that make sex possible
Term
secondary sex characteristics
Definition
nonreproductive sex characteristics
Term
menarche
Definition
the first menstrual cycle, or first menstrual bleeding, in female humans
Term
identity
Definition
(Erikson) one's sense of self
Term
intimacy
Definition
(Erikson) ability to form close, loving relationships; primary dev task in late adolescence to early adulthood
Term
menopause
Definition
no more periods
Term
Alzheimer's
Definition
progressive and irreversible brain disorder characterized by gradual deterioration of memory, reasoning, language, and physical functioning
Term
cross-sectional study
Definition
study in which people of different ages are compared with one another
Term
longitudinal study
Definition
research in which same people are restudied and retested over a long period
Term
crystallized intelligence
Definition
one's accumulated knowledge and verbal skills; tends to increase with age
Term
fluid intelligence
Definition
one's ability to reason speedily and abstractly; decreases with age
Term
social clock
Definition
culturally preferred timing of social events
Term
Central Nervous System (CNS)
Definition
A main subdivision of the nervous system that consists of the brain and the spinal cord.
Term
Peripheral Nervous System (PNS)
Definition
A main subdivision of the nervous system that consists of the somatic nervous system and the automatic nervous system.
Term
Somatic Nervous System
Definition
A subdivision of the PNS that regulates voluntary control of skeletal muscles.
Term
Automatic Nervous System
Definition
A subdivision of the PNS that usually operates on its own to control glands and the muscles of internal organs (for example your heart beat). It is subdivided into the sympathetic and parasympathetic nervous systems.
Term
Sympathetic Nervous System
Definition
A subdivision of the Automatic Nervous System that controls your response to stress. (For example it raises your heart rate and breathing rate among other reactions.)
Term
Parasympathetic Nervous System
Definition
A subdivision of the Automatic Nervous System that calms the body after stress. (For example it would lower your heart rate and breathing rate among other reactions.)
Term
Medulla
Definition
The part of the brain that regulates the heart's rhythm, blood flow, breathing, digestion, and vomiting. It operates in contralateral (opposite side) control.
Term
Pons
Definition
The part of the brain that includes a portion of the reticular formation and is important in arousal.
Term
Cerebellum
Definition
The part of the brain that controls motor functions and balance. It takes information from the inner ear about positioning to help maintain balance.
Term
Thalamus
Definition
part of the brain that is the relay station for sensory neural pathways. It transports audio and visual information to and from the cerebral cortex. Some of the nuclei are involved in emotion.
Term
Hypothalamus
Definition
controls automatic functions with sympathetic & parasympathetic in Medulla. Sets drives for hunger, thirst, & sexual desire. Sets emotional states with endocrine system by controlling hormones released by pituitary gland.
Term
Amygdala
Definition
The part of the brain that controls aggression and fear. This part of the brain is also important in forming sensory memories.
Term
Hippocampus
Definition
The part of the brain that enables the formation of new long term memories.
Term
Cerebral Cortex
Definition
The part of the brain that receives and processes sensory information, movement, and thinking/planning/judgement. It consists of the occipital lobe, the parietal lobe, the frontal lobe, and the temporal lobe.
Term
Occipital Lobe
Definition
Part of the cerebral cortex that processes vision. The left side of the brain processes the right field of vision and the right side of the brain processes the left field of vision.
Term
Parietal Lobe
Definition
Part of the cerebral cortex containing the somatosensory cortex for touch sensation.
Term
Frontal Lobe
Definition
Part of the cerebral cortex that initiates movement with the skeletal muscles.
Term
Temporal Lobe
Definition
Part of the cerebral cortex that processes auditory information from both ears.
Term
Broca's Area
Definition
Part of the frontal lobe (the left frontal lobe) controlling the production of speech.
Term
Wernicke's Area
Definition
Part of the temporal lobe (in the left temporal lobe) that understands language and makes meaningful sentences.
Term
Plasticity
Definition
The ability of the brain, if damaged, to move the function of the damaged area to another part of the brain.
Term
Gyri
Definition
The "peaks" in the surface of the cortex.
Term
Sulci
Definition
The "valleys" in the surface of the cortex.
Term
The Limbic System
Definition
A system that contains the hippocampus, the amygdala, the cingulated cortex, the hypothalamus, and the thalamus. It controls emotional behavior and some aspects of memory and vision.
Term
Glial Cells
Definition
These cells guide the growth of neurons. They also give nutrition to neurons, and get rid of wastes of the neuron. They form the myelin sheath.
Term
Neuron, and it's 3 functions
Definition
The basic unit of structure and function of the nervous system. It has three functions: 1. Receive information 2. Process information 3. Transmit information to the rest of the body
Term
Cell Body (Neuron)
Definition
In a neuron, it contains cytoplasm and directs the synthesis of neurotransmitters among other things.
Term
Dendrites
Definition
In a neuron, it receives information.
Term
Axon
Definition
In a neuron, it is a conducting fiber that transports an electric signal to the axon terminals.
Term
Myelin Sheath
Definition
In a neuron, the glial cells that cover the axon.
Term
Neurotransmitter
Definition
A chemical stored in structures called synaptic vesicles.
Term
Acetylcholine
Definition
A neurotransmitter that controls the contraction of skeletal muscles, regulates the heart's contractions, is involved in memory, and transmits from the brain to the spinal cord (CNS).
Term
Dopamine
Definition
A neurotransmitter that stimulates the hypothalamus, synthesizes hormones, and regulates alertness and movement. A lack of this neurotransmitter is linked with Parkinson's disease.
Term
Seratonin
Definition
A neurotransmitter that regulates concentration, attention, moods, and emotion.
Term
Gamma-Aminobutyric Acid
Definition
A neurotransmitter that inhibits the firing of neurons.
Term
Action Potential
Definition
When a net flow of sodium ions in a cell causes the potential to change across the cell membrane. If the stimulation is not strong enough, the neuron will not fire.
Term
Synapse
Definition
The small area between neurons. Neurotransmitters are released into it and attach to receptor sites on the membranes of dendrites.
Term
Excitatory Neurotransmitters
Definition
These neurotransmitters cause neurons on the other side of the synapse to generate an action potential.
Term
Inhibitory Transmitters
Definition
These neurotransmitters prevent neural impulses from firing.
Term
Sensory Neurons
Definition
Neurons that cary impulses from sensory receptors to the spinal cord.
Term
Interneurons
Definition
Neurons that are in the brain and spinal cord that cary impulses between sensory and motor neurons.
Term
Motor Neurons
Definition
Neurons that cary impulses to muscle cells that cause gland cells to secrete.
Term
Effectors
Definition
Muscle and gland cells.
Term
Pituitary Gland
Definition
The "master gland" that stimulating hormones & promote secretion by glands including TSH (thyroid stimulating hormone), ADH (retains water in body), HGH (human growth hormone), and ACTH (stimulates the adrenal cortex).
Term
Adrenal Cortex
Definition
Produces steroid hormones (the stress hormone), epinephrine, and nonepinephrine. (Epinephrine and nonepinephrine prepare the body for fight or flight.)
Term
Pancreas
Definition
Produces insulin and glucagon to regulate blood sugar and fuel the behavioral process.
Term
CAT (or CT) scan
Definition
scanning the brain that sends x-rays through the brain at different angels, resulting in computer imaging of the extent of a lesion (destruction of brain tissue). Shows the structure of the brain.
Term
MRI scan
Definition
A method of scanning the brain where magnetic fields and radio waves measure the density of brain tissue.
Term
EEG scan
Definition
A method of scanning the brain that transmits signals about the brain's electrical activity.
Term
PET scan
Definition
A method of scanning the brain where color graphics show the amount of metabolic and neural activity in the brain.
Term
Functional MRI scan
Definition
A method of scanning the brain that measures changes in oxygen and blood flow in the working brain.
Term
2 methods of scanning for structure:
Definition
CT scan and MRI scan
Term
6 parts of the neuron
Definition
Dendrites, Cell Body, Axon Terminals, Neural Impulse, Myelin Sheath, Axon
Term
subdivisions of nervous system
Definition
Central Nervous System: Brain and the Spinal Cord. Peripheral Nervous System: Somatic, and Automatic which branches off into the sympathetic and parasympathetic
Supporting users have an ad free experience!