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Self-recognition, as revealed by the mirror test, usually emerges at about 18 months.
Cortisol
A steroid hormone released by the adrenal glands in response to stress, playing a crucial role in the body's stress response and metabolism.
Neural Connections
The links between neurons in the brain through which they communicate with each other.
Long-term Potentiation
A lasting increase in signal transmission between two neurons that results from their simultaneous activation, believed to be a cellular mechanism underlying learning and memory.
Neurons
Specialized cells in the nervous system that transmit information through electrical and chemical signals.
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