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Human Mind (cerebrum (the outer folded layer is called the cerebal cortex,…
Human Mind
cerebrum
is the largest part of the brain
controls all conscious thoughts, experience and actions
divided into right and left hemispheres
corpus callosum
large band of fibers that connects the left and right hemispheres of the cerebral cortex
the outer folded layer is called the cerebal cortex
gray matter
decision making organ of the body
3mm thick
very thin layer
the area is a convoluted pattern packed into a small space inside the skull
4 major areas
Frontal
involved motor function
problem solving, spontaneity,memory, language,initiation, judgement,impulse control,emotion, personality
pareital
receives information
sense
occipital
vision
visual processing
temporal
hearing
auditory processing
cerebellum
is the second largest part of the brain
it controls posture and balance
higher cognitive processes
brain stem
controls processes basic for survival
heart rate, breathing,digestion,and sleep
main route of communication between the rest of the brain, the spinal cord, and the nerves that run through out the body
send and receives signals to the faces, mouth, tongue, eye muscles, ears, and balances- sensing vestibular
The nervous system
peripheral nervous system
central nervous system
neurons
nerve cells, specialized to receive and transmit information in the nervous system
soma, dendrite, axon, synapse
Neurotransmitters
Neuron connections
huge number of interacting neurons in the brain.
approximate weight = 1400g (3 pounds/1.4 kg)
new born= 350 to 400g
most complex organ of the body
Consists of approximately 10 billion nerve cell and billion of interconnecting fibres
approximate length= 15 cm