The main chemical change in the brain during dreams is most simply the electrical activity. As the synapses responsible for visual and auditory stimulation are used during a dream, the electrical energy increases.
No, you do not dream when you faint. Fainting is a sudden loss of consciousness, and during this time, the brain is not actively dreaming.
During dreaming, the brain releases a variety of chemicals including serotonin, norepinephrine, and dopamine. These neurotransmitters play a role in regulating sleep states, mood, and emotions during the dream process.
There is no scientific evidence to suggest that people dream when they die. Dreaming typically occurs during the sleep cycle, and it is not known what happens to the brain's activity during the process of dying.
The cells and systems of the body continue to work during sleep. There are changes in how they work but they remain active. For example, during sleep your body is more or less paralyzed to allow you to dream without hurting yourself. Plus, there are other changes in respiration, heart rate, brain function, etc., during sleep.
No. dreams are chemical/electrical events in the brain during sleep. Dreams do not "mean" anything. They are random neuron firings at at time of the sleep cycle that happen to allow individuals to remember the patterns of neurons that fired just then.
At night because you don't do anything and it stores things (images)and you dream, it is when most active
No. Because they do not have a brain.
anyone with a brain will
There is no scientific evidence to suggest that people dream after they die. Dreaming is a function of the brain, and once a person dies, brain activity ceases.
A hallucinogenic/psychedelic chemical that causes the brain to dream located in the pineal gland in the back of the brain. Also, located in 1000's of plants and animals world wide and can be extracted and smoked or drunk to cause the user very heavy trips.
A bad dream during a nap is called "a bad dream."
No. Dreams are caused by functions in the brain when you sleep. If you dream of somebody, it probably means you did something recently with them.