What Affects Cognitive Development?
Cognitive development refers to how a person perceives, thinks, and gains understanding of his or her world through the interaction of genetic and learned factors. Among the areas of cognitive development are information processing, intelligence , reasoning, language development , and memory.
Parts of the Brain
A Nerve Cell
Types of Nerves
Brain Development COntinues
Do Drugs Affect Brain Development?
Glutamate is the main excitatory and GABA the main inhibitory neurotransmitter in the mammalian cortex.
Chemistry of Addiction
Sympathetic vs. Parasympathetic
Both part of the autonomic nervous system, autonomic means it works on it's own without conscious thought.
The sympathetic and parasympathetic nervous systems work involuntarily.
Sympathetic is responsible for the response commonly referred to as "fight or flight," while parasympathetic is referred to as "rest and digest."
The sympathetic nervous system is the part of the autonomic nervous system that prepares the body to react to stresses such as threat or injury.
It causes muscles to contract and heart rate to increase.
The parasympathetic nervous system is the part of the autonomic nervous system that controls functions of the body at rest. It helps maintain homeostasis in the body.
It causes muscles to relax and heart rate to decrease.
Autonomic Nervous System
Functions of the autonomic nervous system
The autonomic nervous system controls internal body processes such as the following: