Is drug abuse, not brutality, behind some deaths in custody?
...were seen in the ED patients, suggestingthat their brains can't adapt to remove excess dopamine. At this week's meeting,Karch also revealed that ED patients show changes in opioid receptors in theamygdala-a brain region associated with fear. Taken together, these changes in brain chemistry represent...Study spotlights uniqueness of human brain
...ts have long known that humans haveunusually large brains compared to apes, our closest primate relatives. ...nces in the internal structure of human andprimate brains has been lacking. In a groundbreaking study published today by the National Academy of Sciences, ate...Novel neural net recognizes spoken words better than human listeners
...ural nets are computing devices that mimic the way brains process information. Speaker-independent systems c...signal characteristics used byreal flesh-and-blood brains in processing information. First proposed in the 1940s and the subject of intensive research in the ...Peering into the amazing mind behind those baby blue eyes
...rs also explore why: Children's brains are more flexible than adult's and why what we learnat one point influences what we can learn later. Playing Mozart in the crib or showing a baby flashcards is nosubstitute for a parent talking, playing, making faces and just paying attenti...Normal cellular enzyme becomes marker for Alzheimer's disease
...he National Institutes of Health (NIH) examinedthe brains of people who had died from AD and found abnormally large amounts ofthe cellular signpost--a normal enzyme in the body called casein kinase-1(CK-1). The researchers found that a high level of CK-1 was present in nervecells inside cellular sacs calle......hards, a professor of radiology. "This means their brains were working a lot harder and using more energy th...phones were asked to perform four tasks whiletheir brains were being imaged. Three of the tests involved pairs of words andthe fourth used pairs of musical t...New 'real time' MRI stress test pictures heart in motion
...geared toward organs that move verylittle, such as brains and bones. "In order to image the heart, it wasnecessary to synchronize the imaging with the heart's cycle so that images wererequired over numerous heartbeats in a 5-10 minute interval. The newest, mostmodern technology allows imaging of the heart...UF researchers show magnetic stimulation may be a safe alternative to shock therapy
...ients are placed under general anesthesiaand their brains are stimulated with electrical current to produce seizures.Patients run risks from the anesthesia, and the treatment often produces cognitive problems, such as memory loss, that maylast for months. "Because there are so many side effects to stimulat...Jefferson researchers show melatonin's potential benefits in preventing Parkinson's damage
...e nerve cells seen inParkinson's disease patients' brains results from oxidative stress to the cells.Various cellular insults produce oxygen free-radicals, resulting in cell death.The brain's dopamine neurons are particularly vulnerable. Melatonin, a hormone produced by the brain and which is marke......ircuits to pitch in. The finding suggests that our brains mayconstantly reorganize themselves throughout our lives in an effort to ensurepeak mental performance. The study, conducted by researchers at Brandeis University, the University ofToronto, and the Baycrest Centre for Geriatric Care in North York, O......ess can slow neuron birth, or neurogenesis, in the brains of rodents. Stress is thought to contribute to dep...ceptor for the neurotransmitter serotonin in rats' brains increased the birth of neurons. So they decided to see if Prozac, which belongs to a class of drugs ...Coupling of brain proteins may prompt new treatments for schizophrenia, addiction
...en these neurotransmitter receptor proteins in the brains of schizophrenics," says lead author Dr. Fang Liu, research scientist at CAMH. The researchers believe this work will ultimately introduce a whole new field of study in signal transduction and molecular neuropsychiatry. This study was funded by th...Promising new research on schizophrenia causes
...and problem solving. In a postmortem study of the brains of schizophrenics, obtained from brain banks, Cost..., the UIC scientists conducted a blind study of 60 brains taken postmortem from individuals diagnosed with schizophrenia, unipolar depression or bipolar disor...Methamphetamine abuse linked to long-term damage to brain cells
...roscopy to take measurements of three parts of the brains of 26 participants who had used methamphetamine an... them with measurements of the same regions in the brains of 24 people who had no history of drug abuse. "While the meth users in this study hadn't used the...Tobacco chemical protects against Parkinson's disease
...uding dopamine, which is typically depleted in the brains of patients with Parkinson's disease, according to...ission tomography (PET) studies show that smokers' brains have lower levels of MAO than non-smokers' brains. MAO is responsible for breakdown of dopamine, nor...Study links one human gene to multiple diseases of old age
...eptide, the main component of plaques found in the brains of Alzheimer's patients. These plaques form after beta-amyloid is modified by an enzyme called transglutaminase, which Roninson and his colleagues found was also stimulated by p21. Other p21-activated genes produce various proteins and enzymes that c......r laboratory exams, and get a close-up view of the brains of sheep. To help them understand the challenges faced by patients who have suffered neurological illnesses or injuries -- and the efforts of rehabilitation specialists to help them relearn skills -- students will play the roles of patients and thera...Castagnolis discover compound in tobacco that may protect against Parkinson's disease
...e section of the brain that controls movement. The brains of patients with Parkinson's disease typically hav...on emission tomography (PET) imaging that smokers' brains have 30 to 40 percent lower levels of monoamine oxidase (MAO)," Kay Castagnoli said. MAO normally br...Treatment helps dyslexics significantly improve reading, shows brain changes as children learn
...anomalies. With appropriate instruction, dyslexic brains may become more efficient at processing the sounds of language. Because they are more efficient they use less brain area and metabolic energy." Complete details about the intervention program -- a three-week reading and science workshop developed by...... conditioned to the environment. Tissue from the brains was then scanned microscopically for signs that the gene called Fos was being produced, a technique used to precisely pinpoint brain activity. As expected, the scientists saw increased Fos expression in the limbic circuits, including the nucleus accu...