DEP- Chapter 3
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The observable characteristics of an individual
An individual’s genetic endowment that is inherited
Conditions and circumstances that surround an individual
Genetic material is passed on as chromosomes
Carry all the biochemical instructions involved in the formation and functioning of an organism
Transmission of genotype
long, threadlike molecules made up of DNA
is not expressed if a dominant allele is present.
is the form of the gene that is expressed if present.
Having inherited two genes of the same allelic form for a trait.
Having inherited two genes of different allelic forms for a trait.
are specialized cells that are the basic units of the brain’s information system.
glial cells form a _____ around certain axons, providing insulation that increases the speed and efficiency of information transmission.
are major areas of the cortex that are associated with different categories of behavior.
Lobes of cortex
Which hemisphere ?
Sensory information and control of right side of body
Sequential, analytical processing
Sensory information and control of left side of body
Holistic, integrative processing
the proliferation of neurons through cell division; is largely complete by about 18 weeks after conception
Each neuron forms synapses with thousands of other neurons, resulting in the formation of trillions of connections.
The extensive generation of neurons and synapses results in an overabundance that must be eliminated.
is the capacity of the brain to be affected by experience.
process through which the normal wiring of the brain occurs as a result of general experiences that every human who inhabits any reasonably normal environment will have.
Experience- Expectant plasticity
is the process through which neural connections are created and reorganized throughout life as a function of an individual’s experience.
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