Examlex
If the population distribution is unknown,in most cases the sampling distribution of the mean can be approximated by the normal distribution if the samples contain at least 30 observations.
Serotonin
A neurotransmitter that affects mood, appetite, and sleep, playing a significant role in regulating emotional well-being.
Parkinson's Disease
A neurodegenerative disorder characterized by motor symptoms such as tremors, stiffness, and bradykinesia due to the loss of dopamine-producing cells in the brain.
Depression
A condition affecting mental well-being, marked by a constant feeling of sadness or a disinterest in usual activities, leading to notable difficulties in daily functions.
Central Nervous System
The part of the nervous system consisting of the brain and spinal cord, responsible for processing sensory information and controlling bodily functions.
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