MIT study: Maturity brings richer memories
..., several areas in the PFC and the medial temporal lobe (MTL) showed higher activation at the time when subjects studied a scene they would later remember. No age-related differences showed up in the activation patterns of the MTL regions in children and adults, but differences did appear in the PFC when ...News tips from the Journal of Neuroscience
...ine treatment, a standard animal model of temporal lobe epilepsy. Postembedding immunogold labeling confirmed a perisynaptic decrease in the subunit in dentate granule cell dendrites within the molecular layer. However, physiological studies found that tonic inhibition was still present. The 2 subunits s...Moral judgment fails without feelings
...ure, subjects with damage to a part of the frontal lobe make a less personal calculation. The logical ch...ive the deficit is, he said. Damage to the frontal lobe leaves intact a suite of moral problem solving abilities, but damages judgments in which an aversive...News tips from the Journal of Neuroscience
...Wang, Holly S. Huang, and Jack M. Parent Temporal lobe epilepsy in humans is associated with abnormal lamination of the dentate gyrus and ectopic hilar location of some dentate granule cells (DGCs). Similar changes are seen in rodent models of hippocampal epilepsy. This week, Gong et al. provide evidence...FSU anthropologist confirms 'Hobbit' indeed a separate species
... The endocasts revealed large parts of the frontal lobe and other anatomical features consistent with high...son of two areas in the frontal lobe, the temporal lobe and the back of the brain show the Hobbit brain is nothing like a microcephalic's and is advanced in...Reduced frontal-lobe activity and impulsivity may be linked to alcoholism risk
...nstrate that reduced brain activity in the frontal lobe during processing of target visual stimuli is highly related to impulsivity, regardless of a clinical diagnosis such as alcoholism," said Porjesz. "Genetically influenced underlying factors, such as neural disinhibition and impulsivity, involve fron...Gene therapy inhibits epilepsy in animals
...hat is critical to generating seizures in temporal lobe epilepsy, the most common type of epilepsy in children and adults. GABA(A) receptors are made up of five subunits--proteins that play important roles in brain development and in controlling brain activity. Previous animal research by Dr. Brooks-Kaya...Commonplace sugar compound silences seizures
...uding the removal of parts of the brain's temporal lobe - are largely ineffective. 2DG is essentially a more palatable version of the "ketogenic," or sugar-free, diets that some researchers have long recommended to epilepsy patients. Indeed, the notion of a sugar-free diet actually stretches back thousan...Squeeze play: Protein's grip like a baseball bunter's
...al role, perhaps allowing it to keep hold with one lobe at all times, but grabbing and releasing with the other to help open or close the valve." MacKenzie said the researchers confirmed calmodulin's new grip using state-of-the-art techniques on the Gulf Coast Consortia's (GCC) powerful 800 MHz NMR in R...Research team to analyze brain changes in schizophrenia
...re involved in learning and memory. "The temporal lobe is one of the primary brain regions known to be fu...aluate the expression of all genes in the temporal lobe as well as the majority of proteins that are expressed. Proteomics refers to the analysis of express...Shared ancestor to humans, present-day non-human primates may be linchpin in evolution of language
...an areas) with Broca's area located in the frontal lobe and Wernicke's area located behind it in the temporal and parietal lobes. Scientists once believed that Broca's area was chiefly involved in language production while Wernicke's area dealt more with comprehension, however current thinking suggests th...Study confirms males/females use different parts of brain in language & visuospatial tasks
... showing more bilateral activation in the parietal lobe while processing visuospatial information than females, whose activations were more right lateralized. "What we found most compelling was that male and female participants performed equally on tasks, both in terms of accuracy and timing; they just...Researchers find cause of frontotemporal dementia
..., causing the brain tissue to die off. The frontal lobe is the foremost part of the brain and accounts for... the brain's mass. Among other things, the frontal lobe is involved in regulating behavior, movement and mood, and is responsible for cognitive functions li...A step toward halting Alzheimer's: Using FDDNP PET to detect disease progression, MCI
...se the lesions appear first in the medial temporal lobe and then slowly spread to the rest of the brain as the disease progresses, we can detect the extent of this spread and use 18F-FDDNP as an indicator of the disease progression," added the UCLA researcher. "This study brings us one step closer to us...Whale bubble nets, saxophone sounds, ultrasonic laser
...interesting patterns of activity in the paralimbic lobe and other auditory centers of the dolphin brain (4pAO4). In a second study, the researchers report evidence for another unique part of dolphin physiology, an acoustic version of the tapetum. The tapetum is a reflective membrane in the back of the ey...News tips from the Journal of Neuroscience
...is, Michael Frotscher, and Carola A. Haas Temporal lobe epilepsy is accompanied by several structural changes in the hippocampus, including widening of the granule cell layer in the dentate gyrus. In this week's Journal , Heinrich et al. examined the causes of this granule cell dispersion (GCD) in mice a...Smoking interferes with brain's recovery from alcoholism
...parietal and occipital white matter." The parietal lobe plays an important role in sensory processing and object manipulation. The occipital lobe controls visual processing. The study participants' visual-spatial learning and memory, attention an...Team led by Carnegie Mellon University scientist finds first evidence of a living memory trace
...ns called glomeruli within the honeybee's antennal lobe (AL), considered the invertebrate equivalent of the brain's olfactory bulb. Team member Marcel Weidert placed fluorescent probes within different glomeruli, and imaged their activity using dyes sensitive to the opening and closing of calcium channels......tion appear to reside exclusively in the occipital lobe (at the back of the head.) Tse's team concluded that, "the neural correlates of conscious visual visibility for masking stimuli lie in the occipital lobe, but after visual area 2."......otor cortex (MPC), a region of the brain's frontal lobe that is known to be involved in making decisions a...ry cortex itself, but from activity in the frontal lobe MPC, Romo said. The MPC "is very interesting," Romo said. "Apparently, it's able to pull informati...