TEST 2- Biological Foundations of Behavior Flashcards
What is the body’s electrical communication circuitry?
The nervous system
What is the term which is demonstrated by the orchestration of billions of nerve cells?
complexity
What is integration?
Since the nervous system has so many levels and many different parts, integration is the communication across these levels through brain cells and extensive pathways
What is plasticity?
Refers to the brain’s special physical capacity for change
What is the process of neurons being responsible for chemical messages called?
Electrochemical transmission
What part of the nervous system does the brain and spinal cord make up?
Central Nervous System
What is the peripheral nervous system?
Network of nerves which connect the CNS to the other parts of the body
What part of the nervous system consists of sensory nerves which sense temperature and skeletal muscle?
Somatic Nervous System
What part of the nervous system is responsible for all non-voluntary control?
Autonomic nervous system
What are the two subsections of the automatic nervous system?
Sympathetic nervous system and Parasympathetic nervous system
What are nerve cells that handle information processing?
neurons
Why are mirror neurons important to psychology?
Because they activate both when we perform a task and when we watch it
What cells provide support and nutrition for neurons?
Glial cells
What are treelike structures that project from a neuron and receive and orient information?
dendrites
What part of the neuron contains nucleus and maufacturing apparatus?
Cell body
What is the part of the neuron that carries info away?
axon
What is a myelin sheath?
a layer of fat which encases and insulates most axons
What is the brief wave of positive electrical charge that sweeps down the axon?
action potential
What is the resting potienial of an axon?
between -60 and -75 milli volts
What is threshhold?
The point when reached, action potenial will not reverse
What is a synaps?
Spaces between neurons
What are terminal buttons?
Fibers branching off a axon, which contain neurotransmitters
What carry or transmit information across synaptic gap to the next neuron?
neurotransmitters
What is it called when the neurotransmitter is finished delivering it’s message, some of the transmitter is used for energy and some is reabsorbed?
re-uptake