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The Biology of Mind and Consciousness

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Horizontales
A nerve cell; the basic building block of the nervous system
Neuron that carries incoming information from the body's tissues and sensory receptors to the brain and spinal cord
A nerve impulse; a brief electrical charge that travels down an axon
Neuron that carries outgoing information from the brain and spinal cord to the muscles and glands
A brief resting pause that occurs after a neuron has fired
The sensory and motor neurons connecting the central nervous system to the rest of the body
Neurons within the brain and spinal cord; communicate internally and process information between sensory inputs and motor outputs
Natural, opiate-like neurotransmitters linked to pain control and to pleasure.
A neurotransmitter's reabsorption by the sending neuron.
The level of stimulation required to trigger a neural impulse
The neuron extension that sends messages to other neurons or to muscles and glands
The brain and spinal cord
Verticales
Chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues.
Peripheral nervous system division that controls the body's skeletal muscles
The body's electrochemical communication network consisting of all the nerve cells of the central and peripheral nervous systems.
Peripheral nervous system division that controls the glands and muscles of the internal organs
Neuron-produced chemicals that cross the synaptic gap to carry messages to other neurons or to muscles and glands.
A chemical that depresses neural activity temporarily, lessening pain and anxiety.
The brain's ability to change by reorganizing after damage or building new pathways
Neuron extensions that receive messages and conduct them toward the cell body
Bundled axons that form neural cables connecting the central nervous system with muscles, glands, and sense organs.
A simple, automatic response to a sensory stimulus