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People with depression often report dramatic changes in mood over the course of the day.
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People with "photographic memory" are thought to be able to take and recall mental snapshots without error. But there is no evidence this type of memory exists.
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Hallucinations emerge when inner thoughts and expectations overpower sensory experience.
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The main active ingredient in marijuana alters the normal communication between cells and circuits in the brain.
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Just like other cells in the body, brain cells use a form of sugar called glucose to fuel their activities. This energy comes from the foods we consume daily, and is regularly delivered to brain cells through the blood.
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People differ enormously as to what they consider to be stressful and how they respond to it. In general, short periods of moderate stress can actually be a good thing for the brain.
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There is no magical age at which brain development suddenly stops. The brain is constantly changing, even in adulthood and old age.
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The amount of information the brain can store in its many trillions of synapses is not infinite, but it is large enough that the amount we can learn is not limited by the brain’s storage capacity.
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Dementia is a description of any progressive disorder that takes away a person’s cognitive and functional abilities.
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Synesthesia is a condition in which stimulation of one sense automatically evokes a perception in an unstimulated sense.
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Tossing and turning generally occurs during very brief arousals from sleep during the night.
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When two tasks demand competing attention, there is generally a switching that occurs between the neural processes involved, rather than concurrent processing as may be expected with true multitasking.
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