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How does classical conditioning work? Can you give an example?
Classical conditioning is a very early theory of learning and behavior, first established by Pavlov and his dogs, that involves creating a response from a stimulus. It requires a unconditioned stimulus, such as dog food, that causes an unconditioned response, such as salivation in a dog. If you pair a conditioned stimulus, such as a bell, with the unconditioned stimulus (dog food), the dog will unconsciously associate the bell with food and learn to salivate to the sound of the bell, which is now a conditioned response. Another example would be a child's excitement to the sound of an ice cream truck. In this case, the unconditioned stimulus is ice cream that causes an unconditioned response of excitement. When the child associates the unconditioned stimulus (ice cream) with the conditioned stimulus (truck's music), after time the child will form a conditioned response (excitement to the sound of the ice cream truck's music).
How does a brain cell work?
Brain cells are called neurons, and their key structures include dendrites and axons. Dendrites receive chemical messages from other neurons, and these messages are passed electrically down the neuron's axon. These electrical signals are then transformed into chemical signals, or neurotransmitters, which are passed to the next neuron's dendrites.
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