Reference Terms
from Wikipedia, the free encyclopedia
Tic
A tic is a sudden, repetitive, stereotyped, nonrhythmic, involuntary movement (motor tic) or sound (phonic tic) that involves discrete groups of muscles.
Note: The above text is excerpted from the Wikipedia article "Tic", which has been released under the GNU Free Documentation License.
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Mind & Brain News
November 21, 2024
Nov. 13, 2024 — Could social bonds be the key to human big brains? A study of the fossil teeth of early Homo from Georgia dating back 1.77 million years reveals a prolonged childhood despite a small brain and an ...
Nov. 7, 2024 — It's common knowledge that our brains -- and, specifically, our brain cells -- store memories. But a team of scientists has discovered that cells from other parts of the body also perform a memory function, opening new pathways for understanding how ...
Nov. 6, 2024 — Thin, flexible device could help people with visual impairments 'feel' surroundings. Device comprises a hexagonal array of 19 actuators encapsulated in soft silicone. Device only uses energy when actuators change position, operating for longer ...
Oct. 17, 2024 — Researchers have developed a novel training protocol for brain-computer interfaces in a study with rhesus monkeys. The method enables precise control of prosthetic hands using signals from the brain alone. Researchers were able to show that the ...
Latest Headlines
updated 12:56 pm ET
Nov. 21, 2024 — Adolescents who snore frequently were more likely to exhibit behavior problems such as inattention, rule-breaking, and aggression, but they do not ...
Nov. 21, 2024 — Distractions slow the reaction time of automated vehicle remote drivers by over five seconds, new research has ...
Nov. 21, 2024 — A new study analyzed data from participants who have been followed for over 50 years, starting before their births. Researchers found that maternal ...
Nov. 21, 2024 — Researchers have uncovered how different types of brain cells work together to form large-scale functional networks in the human brain -- interconnected systems that support everything from sensory ...
Nov. 21, 2024 — Preschool children who struggle to control their emotions and behaviour have more symptoms of attention deficit hyperactivity disorder -- known as ADHD -- at age seven, a study suggests. Children ...
Nov. 21, 2024 — In a groundbreaking new study scientists have revealed that the widely prescribed Parkinson's disease drug entacapone significantly disrupts the ...
Nov. 21, 2024 — Researchers advocate the use of imagination in tackling the climate crisis. They focus specifically on urbanizing river deltas, which are of great social and economic importance and highly vulnerable ...
Nov. 20, 2024 — A new study shows stimulating the vagus nerve in mice with colitis reduced stress-driven symptoms of inflammatory bowel disease by regulating SUMOylation, an immune response that triggers gut ...
Nov. 20, 2024 — Historical policies shaping educational attainment have enduring benefits for later life memory and risk of dementia, according to a new study. The ...
Nov. 20, 2024 — Young adults at risk of psychosis show reduced brain connectivity, a deficit that cannabis use appears to worsen, a new study has found. The breakthrough paves the way for psychosis treatments ...