The Brain
The Nervous and Endocrine Systems
Genetics, Evolutionary Psychology, and Behavior
Brain Scans
Neurons
100
Interconnected neural cells covering the cerebral hemisphere
Cerebral Cortex
100
The brain and spinal cord
Central Nervous System
100
Every nongenetic influence, from prenatal nutrition to the people and things around us
Enviornment
100
An amplified recording of the waves of electrical activity that sweep across the brain's surface
Electroencephalogram (EEG)
100
A nerve cell; the basic building block of a nervous system
A nerve
200
Portion of the cerebral cortex associated with eyesight
Occipital Lobe
200
Bundled axons that form neural cables connecting the central nervous system with glands, muscles, and sense organs
Nerves
200
What is the study of the relative power and limits of genetic and environmental influences on behavior
Behavior Genetics
200
a technique that uses magnetic fields and radio waves to produce computer generated images of soft tissue
MRI (magnetic resonance imaging)
200
What part of the neuron receives messages from other cells/neurons
Dendrites
300
The part of the brain that controls heartbeat and breathing
medulla
300
The division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situatioins
Sympathetic Nervous System
300
Twins who develop from a single fertilized egg that splits in two
Identical Twins
300
a visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task
PET (positron emission tomography) scan
300
What covers the axon and helps send neural impulses
the Myelin Sheath
400
Areas of the cerebral cortex that are not involved in primary motor or sensory functions
Association Areas
400
The body's slow chemical communication system; secretes hormones into the bloodstream
Endocrine System
400
The proportion of variation among individuals that we can attribute to genes
Heritability
400
a series of X-ray photographs taken from different angles and combined by a computer
CAT or CT (computed tomography) scan
400
Neurons that carry information from the brain and spinal cord to the muscles and glands
Motor Neurons
500
The impairment of language, usually caused by left hemisphere damage
Aphasia
500
What controls the pituitary gland?
The hypothalamus
500
The subfield of biology that studies the molecular structure and function of genes
Molecular Genetics
500
a technique for revealing bloodflow and, therefore, brain activity by comparing successive MRI scans
fMRI (functional MRI)
500
What is a brief electrical charge that travels down the axon of a neuron
Action Potential
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