Recent Hippocampus Current Events | Hippocampus News
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New discovery about the formation of new brain cells
The generation of new nerve cells in the brain is regulated by a peptide known as C3a, which directly affects the stem cells' maturation into nerve cells and is also important for the migration of new nerve cells through the brain tissue, reveals new research from the Sahlgrenska Academy published in the journal Stem Cells. view more (2009-11-24)
New Down syndrome treatment suggested by Stanford/Packard study in mice
At birth, children with Down syndrome aren't developmentally delayed. But as they age, these kids fall behind. Memory deficits inherent in Down syndrome hinder learning, making it hard for the brain to collect experiences needed for normal cognitive development. view more (2009-11-19)
New neuroimaging analysis technique identifies impact of Alzheimer's disease gene in healthy brains
Brain imaging can offer a window into risk for diseases such as Alzheimer's disease (AD). A study conducted at the University of Kansas School of Medicine demonstrated that genetic risk is expressed in the brains of even those who are healthy, but carry some risk for AD. view more (2009-11-18)
Theory about long and short-term memory questioned by UCL scientists
The long-held theory that our brains use different mechanisms for forming long-term and short-term memories has been challenged by new research from UCL, published today in PNAS. view more (2009-11-10)
Estrogen therapy likely must be given soon after menopause to provide stroke protection
For estrogen replacement to provide stroke protection, it likely must be given soon after levels drop because of menopause or surgical removal of the ovaries, scientists report in the Journal of Neuroscience. view more (2009-11-05)
Aiming to avoid damage to neurocognitive areas of the brain during cranial radiation
Radiation oncologists at Rush University Medical Center are intent on finding ways to avoid damage to the critically important hippocampus and limbic circuit of the brain when cranial radiation is required to treat existing or potential metastatic cancers. view more (2009-11-04)
Fighting Sleep, Penn Researchers Reverse the Cognitive Impairment Caused By Sleep Deprivation
A research collaboration led by biologists and neuroscientists at the University of Pennsylvania has found a molecular pathway in the brain that is the cause of cognitive impairment due to sleep deprivation. view more (2009-10-27)
Why antidepressants don't work for so many
More than half the people who take antidepressants for depression never get relief. view more (2009-10-26)
Rutgers Research: Direct Evidence of the Role of Sleep in Memory Formation is Uncovered
A Rutgers University, Newark and Collége de France, Paris research team has pinpointed for the first time the mechanism that takes place during sleep that causes learning and memory formation to occur. view more (2009-09-16)
Brain defect implicated in early schizophrenia
In the first functional magnetic resonance imaging (fMRI) study of its kind, neurologists and psychiatrists at Columbia University have identified an area of the brain involved in the earliest stages of schizophrenia and related psychotic disorders. view more (2009-09-08)
Healthy older brains not significantly smaller than younger brains, new imaging study shows
The belief that healthy older brains are substantially smaller than younger brains may stem from studies that did not screen out people whose undetected, slowly developing brain disease was killing off cells in key areas, according to new research. As a result, previous findings may have overestimated atrophy and underestimated normal size for the... view more... (2009-09-08)
Rats' mental 'instant replay' drives next moves
Researchers at MIT's Picower Institute for Learning and Memory have found that rats use a mental instant replay of their actions to help them decide what to do next, shedding new light on how animals and humans learn and remember. view more (2009-08-27)
Researchers find alcoholics display abnormal brain activity when processing facial expressions
Researchers from Boston University School of Medicine (BUSM) have found that individuals who have a long history of alcoholism, but who have been abstinent for at least a month up to many years, showed abnormal brain activity when looking at facial expressions of others. view more (2009-08-11)
Hormone levels contribute to stress resilience
It is important to understand what biological mechanisms contribute to an individual's capacity to be resilient under conditions of extreme stress, such as those regularly experienced by soldiers, police, and firefighters. view more (2009-08-05)
Scientists track impact of DNA damage in the developing brain
Switching off a key DNA repair system in the developing nervous system is linked to smaller brain size as well as problems in brain structures vital to movement, memory and emotion. view more (2009-07-28)
A genetic basis for schizophrenia
Schizophrenia is a severely debilitating psychiatric disease that is thought to have its roots in the development of the nervous system; however, major breakthroughs linking its genetics to diagnosis, prognosis and treatment are still unrealized. view more (2009-07-22)
In adolescence, girls react differently than boys to peers' judgments
Teenagers yearn to fit in and be accepted by their friends. A new study suggests that girls and boys think differently about being judged by their peers as they move through adolescence. view more (2009-07-15)
Brain imaging and proteins in spinal fluid may improve Alzheimer's prediction and diagnosis
Changes in the brain measured with MRI and PET scans, combined with memory tests and detection of risk proteins in body fluids, may lead to earlier and more accurate diagnosis of Alzheimer's. view more (2009-07-14)
Memory test and PET scans detect early signs of Alzheimer's
A large study of patients with mild cognitive impairment revealed that results from cognitive tests and brain scans can work as an early warning system for the subsequent development of Alzheimer's disease. view more (2009-07-14)
Building memories with actin
Memories aren't made of actin filaments. But their assembly is crucial for long-term potentiation (LTP), an increase in synapse sensitivity that researchers think helps to lay down memories. view more (2009-07-13)
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