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Physiological Psychology
Chapter 2 Evolution, Genetics, and Experience
38
Physiology
Undergraduate 3
02/03/2010

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Term
cartesian dualism
Definition
Descartes argued that the universe was made of 1-physical matter and 2-human mind/soul; views mind and brain as separate entities
Term
John B. Watson
Definition
the father of behaviorism
Term
behaviorism
Definition
all behavior is a product of learning (nurture)
Term
ethology
Definition
study of animal behavior in the wild; instinctive behaviors (nature)
Term
asomatognosia
Definition
a deficiency in awareness of parts of one's own body; usually results from damage to the right parietal lobe and typically involves the left side of the body
Term
evolve
Definition
undergo gradual orderly change
Term
Charles Darwin's 1st publication
Definition
On the Origin of Species, 1859, described his theory of evolution; not the first to suggest that species evolve but first to support how it occurs
Term
Darwin's Evidence (3 kinds)
Definition
1-fossil records
2-structural similarities among living species suggesting common ancestors
3-impact of selective breeding
Term
natural selection
Definition
species vary greatly and heritable traits best for survival and reproduction are passed to future generations
Term
chordates
Definition
animals with dorsal nerve cords
Term
vertebrates
Definition
chordates that possess spinal bones; 1st were primitive boney fishes; about 600 million years ago complex, multicellular water-dwelling org. first appeared; 150 million years later chordates evolved
Term
amphibians
Definition
fins and gills of boney fishes transformed to legs and lungs; about 410 million years ago
Term
reptiles
Definition
lizards, snakes, turtles; 300 million years ago; 1st to lay shell covered eggs and 1st to be covered in dry scales
Term
mammals
Definition
180 million years ago; mammary glands to feed young;
Term
primate
Definition
latin for "first" or "foremost"; 5 families: ape, prosimian, hominid, new and old world monkey
Term
spandrals
Definition
incidental nonadaptive evolutionary by-products; ex: belly button
Term
exaptations
Definition
evolved to perform one function and were later co-opted to perform another
Term
homologous
Definition
similar due to common evolutionary origins; ex: bird wing and human arm
Term
analogous
Definition
similar but different evolutionary origin; ex: bird wing and bee wing
Term
convergent evolution
Definition
the evolution in unrelated speciesof similar solutions to the same environmental demands
Term
brain stem
Definition
regulates reflex activities that are critical for survival ex: heart rate, respiration, and blood glucose level
Term
cerebrum
Definition
complex adaptive processes ex: learning, perception, and motivation
Term
convolutions
Definition
folds on the cerebral surface
Term
polygyny
Definition
one male forms mating bonds with more than one female; pattern most prevalent in mammals
Term
dichotomous traits
Definition
traits that form in one form or another, never in combination; pea color in a pod
Term
true-breeding lines
Definition
same trait generation after generation
Term
phenotype
Definition
obsevable traits
Term
genotype
Definition
traits passed to offspring through its genetic material
Term
alleles
Definition
two genes that control the same trait
Term
homozygous
Definition
2 identical traits
Term
heterozygous
Definition
2 different genes for a trait
Term
gene
Definition
each inherited factor
Term
chromosomes
Definition
threadlike structure in the nucleus of each cell
Term
gamete
Definition
egg and sperm cell
Term
meiosis
Definition
process of cell division that produces gametes
Term
zygote
Definition
fertilized egg cell
Term
mitosis
Definition
all other cell division in the body
Term
linkage
Definition
tendency of traits encoded on the same chromosome to be inherited together
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