Reference Terms
from Wikipedia, the free encyclopedia
Hallucination
A hallucination is a sensory perception experienced in the absence of an external stimulus, as distinct from an illusion, which is a misperception of an external stimulus.
Note: The above text is excerpted from the Wikipedia article "Hallucination", which has been released under the GNU Free Documentation License.
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Mind & Brain News
July 8, 2024
July 8, 2024 — The largest animals do not have proportionally bigger brains -- with humans bucking this trend -- a new study has ...
June 26, 2024 — A new study documents the first case of Down syndrome in Neanderthals and reveals that they were capable of providing altruistic care and support for a vulnerable member of their social ...
June 13, 2024 — A lack of sleep can make it extraordinarily difficult to retain information. Two new studies uncover why this is and what is happening inside the brain during sleep and sleep deprivation to help or harm the formation of ...
June 4, 2024 — Adolescents with an internet addiction undergo changes in the brain that could lead to additional addictive behavior and tendencies, finds a new ...
Latest Headlines
updated 12:56 pm ET
July 5, 2024 — Researchers outline some of the intermediate biological steps that could play into how prenatal cannabis exposure leads to behavioral issues down the ...
July 4, 2024 — New research details the connection between the neurological symptoms associated with aura and the migraine that follows. The study also identifies new proteins that could be responsible for ...
July 3, 2024 — Progressive supranuclear palsy (PSP), a mysterious and deadly neurological disorder, usually goes undiagnosed until after a patient dies and an autopsy is performed. But now, researchers have found a ...
July 3, 2024 — A key mechanism which detects when the brain needs an additional energy boost to support its activity has been identified in a study in mice and ...
June 11, 2024 — Scientists show that specifying the timing pattern of neurostimulation -- impulses used to activate the brain's own electrical signaling mechanisms ...
June 19, 2024 — Researchers found found that as people's arousal levels dwindle during an fMRI, such as if they become more relaxed and sleepy, resulting changes in ...
July 2, 2024 — In a new paper, researchers and citizen mycologists describe the two new species as Psilocybe ingeli and Psilocybe maluti. The paper also contains information on the traditional use of P. maluti by ...
July 3, 2024 — A recent study found that the way cerebellar neurons communicate with other brain regions is different in various movement ...
July 3, 2024 — Young adults who have higher levels of inflammation, which is associated with obesity, physical inactivity, chronic illness, stress and smoking, may experience reduced cognitive function in midlife, ...
July 3, 2024 — It's no secret that kids aren't crazy about having too many seeds, pulp or chunks in their food. But six-year-olds in particular definitely can't ...