Evolution, Genes, and
Behavior
Genetics,
Important Terms:
- DNA
- Genes
- Chromosomes
- Range of Reaction
Evolution
- Darwin(1809-1882) "Origin of
Species’
- Natural Selection, rests on three ideas
- Variability in a characteristic
- Characteristic must be
inherited
- "Fitness"
All species have the same
problem:
- Survival of offspring
- Solutions vary
- Precocious species
- Dependent species
Ethology and Comparative
Psychology
- Ethology -branch of biology that studies
animal behavior under natural conditions.
- Comparative psychology- a psychological
discipline that compare the behavior of various
species.
Important Ethological concepts:
- Species specific behaviors
- Sign stimuli/releasing mechanisms
- Fixed action patterns
- Supernormal Stimuli
Important Ethological concepts:
- Behavioral systems
- Bee dances
- Human Language
- Sensitive periods
- Imprinting
- Human Language
Human Language
- Biologically driven?
- Support
- Universal stages of language
development
- Active language acquisition
Language Development
- Cooing
- Babbling
- Expressive Jargon
- First Word
- Two Word Utterances

Neurons and the
Brain
Neurotrnasmitters
- Serotonin
- Dopamine
- Acetylcholine
- Norepinephrine
- GABA
- Glutomate
- Endorphins
The Hindbrain
- Medulla
- Pons
- Reticular activating system
- Cerebellum
The Forebrain
- Thalamus
- Hypothalamus
- Limbic system
- Cerebrum
- Corpus callosum
- Basal Ganglia
Cerebral Cortex
- Projection areas
- Sensory projection areas
- Motor projection areas
Cerebral Cortex
Aphasia
- Types of aphasia
- Expressive aphasia (nonfluent)
- Receptive aphasia (fluent)
Lateralization
- Lateralization
- Hemispheric specialization "Do we really
have two brains?"
- Right-handers
- Left-handers
Issues in the study of the brain
- Gender differences
- Ethics in research
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