Exam 1 - 1/5, 1/10 Flashcards
_________ – the study of the nervous system
Neuroscience
_________ - the study of the relationships between behavior and the body, particularly the brain
Biopsychology
Biopsychology - the study of the relationships between _________ and the _________ , particularly the brain
- behavior
- body
_________- The study of the biological processes underlying behavior and mental processes
Biopsychology
_________- what happens to the brain when someone learns something or becomes addicted to a drug
Biopsychology
XXXXXXXXXX
A major goal of biopsychology is to improve the health of _________ and other animals
humans
XXXXXXXXXX
One in five people will suffer from a _________ or psychiatric disorder
neurological
XXXXXXXXXX
Schizophrenia (___ million in the US),
Alzheimer’s (5.3 million), depression (___ million),
drug abuse (15 million)
- 1.5
- 10
All psychological processes are based on _________ processes, many of which occur in the _________
- biological
- brain
Biopsychology = the study of the biological processes underlying _________ and mental processes
behavior
_________ is a description of the things the brain does
Mind
mind = _________ activity
brain
Stimulation of the brain evokes _________
experiences
XXXXXXXXXX
_________-
A proposed mechanism for how something works
Models
XXXXXXXXXX
_________ -
Test theories and models by direct observation and experimental manipulation rather than using intuition
Empirical analysis
XXXXXXXXXX
Empirical analysis -
Test theories and models by direct observation and experimental _________ rather than using _________
- manipulation
- intuition
XXXXXXXXXX
Empirical analysis -
- Experimental conditions are _________ controlled
- One variable _________ at a time
- Experimental designs include _________ groups
- tightly
- manipulated
- control
XXXXXXXXXX
3 types of analysis -
Make changes in brain and look for changes in _________
–eg, stimulate a particular brain region and look for changes in _________
- behavior
- movement
XXXXXXXXXX
3 types of analysis -
Change _________ and look for changes in the brain
–eg, present a visual stimulus and look for _________ changes in the brain
- behavior
- activity
XXXXXXXXXX
3 types of analysis -
Look for correlations between differences in _________ and differences in the brain
–eg, brain _________ and intelligence
- behavior
- size
XXXXXXXXXX
Studies require looking at or altering the brain
-Brain imaging techniques to look at the human brain (eg, functional ___, ___ scans)
- MRI
- PET
XXXXXXXXXX
-Ethics of research studies-
_________ : Institutional review boards (IRB)
Humans
XXXXXXXXXX
-Ethics of research studies-
_________ : University Committee on Use and Care of Animals (UCUCA)
Animals
Humans have ___ pairs of chromosomes
23
Humans have ___ pairs of chromosomes – ___ total chromosomes
- 23
- 46
Humans have ___ chromosomes from mother and ___ from father
- 23
- 23
Humans have ___ chromosome of each ____ from mother, other from father
- 1
- pair
chromosomes are _________ lengths except within the pairs they are the _________ length
- different
- same
chromosomes are different lengths except within the pairs they are the same length, exception is the XY (sex) chromosome pair, they are _________ lengths
different
_________ – found on chromosomes in the nucleus of cells
Genes
Genes – found on chromosomes in the _________ of cells
nucleus
_________ – biological unit that directs cellular processes and transmits inherited characteristics
Gene
Gene – biological unit that directs _________ processes and transmits _________ characteristics
- cellular
- inherited
Genes are made of _________ acid (DNA)
deoxyribonucleic
Genes are made of deoxyribonucleic acid (DNA)
- _________ for making proteins
Instructions
Genes for a particular function located at same place on both _________
chromosomes
Different forms of the gene are called _________
alleles
_________ alleles on both chromosomes – homozygous for that trait
Identical
Identical alleles on both chromosomes – _________ for that trait
homozygous
When alleles are _________ on the two chromosomes – heterozygous for that trait
different
When alleles are different on the two chromosomes – _________ for that trait
heterozygous
Two Upper case AA or two lower case aa, alleles = _________
homozygous
Two different alleles Aa or aA = _________
heterozygous
_________ – combination of genes (genetic makeup)
Genotype
Genotype – combination of genes ( _________ makeup)
genetic
_________ – physical characteristic
Phenotype
You _________ tell someones Genotype by looking at that person
can not
You _________ tell someones Phenotype by looking at that person
can
Alleles can be dominant or _________
recessive
_________ alleles produce their effects when paired with a _________ allele (e.g., eye color)
- Dominant
- recessive
_________ alleles are only expressed when both alleles in the pair are _________
- Recessive
- recessive
___ chromosome is shorter than the ___ chromosome
- Y
- X
dominant / recessive exception = alleles on the _________ – Y chromosome is shorter so not all alleles are paired
sex chromosomes
dominant / recessive exception = alleles on the sex chromosomes – Y chromosome is shorter so not all alleles are _________
paired
___ different genes contribute to eye color
8
_________ within the iris contribute to eye color
melanocytes
Multiple genes contribute to most phenotypes – _________
Exception: huntington’s disease
polygenic
Multiple genes contribute to most _________ – polygenic
Exception: _________
- phenotypes
- huntington’s disease
_________ (clustered regularly interspaced short palindromic repeats)
Technique that allows genes to be easily _________ in different organisms
- CRISPR
- altered
Most scientists agree – both _________ and _________ influence the phenotype/trait
- nature
- nurture
_________ axon– brings information into a structure
Afferent
Afferent axon– brings information into a structure (A = _________ )
admission
_________ axon – carries information away from a structure
Efferent
Efferent axon – carries information away from a structure (E = _________ )
exit
_________ neurons (most common)
Multipolar
_________
- Many dendrites and a single axon
- Motor and interneurons
Multipolar neurons
Multipolar neurons
- Many dendrites and a single _________
- Motor and _________
- axon
- interneurons
Multipolar neurons
_________ – axons can be very short
Interneurons
_________ -
Single dendrite at one end of cell body and a single axon at the other
Bipolar neurons
Bipolar neurons -
Single dendrite at one end of cell _________ and a single _________ at the other
- body
- axon
_________ neurons – ear, eye and nose
Sensory
\_\_\_\_\_\_\_\_\_ - Single process (axon) that branches in 2 directions after leaving the cell body
Unipolar neurons
Unipolar neurons - Single process (\_\_\_\_\_\_) that branches in 2 directions after leaving the \_\_\_\_\_\_\_\_\_
- axon
- cell body
Sensory (_________) neurons
Afferent
Motor (_________) neurons
Efferent
Local anesthetics block _________ channels
sodium
Local anesthetics block sodium channels
-blocks _________ so no pain messages reach the brain
action potentials
General anesthetics act by opening ____ channels
K+
Mutations in ion channels (_________) associated with seizure disorders, deafness, muscle and cardiac diseases
channelopathy
-Neurotransmitter effects must be terminated-
Neurotransmitter is taken back into presynaptic terminals (_________) and repackaged into _________
- reuptake
- vesicles
-Neurotransmitter effects must be terminated-
Broken down chemically in the _________ and then reabsorbed _________
- synaptic cleft
- glial cells
_________ - A major inhibitory neurotransmitter
GABA
_________ - A major excitatory neurotransmitter
Glutamate
_________ - involved in memory
Glutamate
• Mimicking neurotransmitters - _________
AGONIST
• Blocking receptors – _________
ANTAGONIST