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Neuroplasticity is the brain's ability to reorganise its neural connections in response to new experiences, learning, or injury. This capacity persists throughout life, although it is strongest during childhood, and it underpins rehabilitation after stroke, adaptation to new environments, and the acquisition of complex skills at any age.
Dopamine is a neurotransmitter that plays a central role in the brain's reward system, influencing motivation, pleasure, and decision-making. Imbalances in dopamine levels have been linked to conditions such as Parkinson's disease, attention deficit disorder, and addiction, making it one of the most studied chemicals in neuroscience today.
The human brain contains approximately eighty-six billion neurons, each connected to thousands of others through synapses. This vast network processes sensory information, generates thoughts and emotions, and coordinates voluntary and involuntary bodily functions, all while consuming roughly twenty per cent of the body's total energy supply at rest.
Khoa học thần kinh: từ khó — neuron, synapse, plasticity. Đọc chậm, rõ.
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