Sentences with phrase «autistic brains»

Last November he reported the first results: On average, autistic brains had many more neurons in some regions than normal brains.

Even normal brains can vary enormously in size and structure, so it was hard to see what, if anything, set autistic brains apart.

As they develop, autistic brains bloom with an overabundance of neurons, Courchesne finds.

He also wants to figure out why the early overgrowth in autistic brains is followed by slowed or arrested growth.

Brainlike cell bundles grown in a lab may expose some of the biological differences of autistic brains.

Bundles of cells hint at biological differences of autistic brains.

As the autistic brain grows in the womb, it bursts with an overabundance of neurons.

Although the effects evaporated after a day or two, the study shows for the first time that these parts of the autistic brain «are not irretrievably broken,» Pelphrey says.

«Autistic brain less flexible at taking on tasks.»

Gradually he built up a picture of the autistic brain from infancy to adulthood, zeroing in on a crucial distinction between those who have autism and those who don't.

Scientists had done a few anatomical studies on the autistic brain, but the results were ambiguous.

The extra neurons in the autistic brain probably send out a vast number of extra connections to other neurons.

We have long known that autism itself is genetic, but by combining these different data sets (brain imaging and genetics) we can now identify more precisely which genes are linked to how the autistic brain may differ.

«We discovered gene - related disruption of circuits that connect the autistic brain's layers and hemispheres to each other,» explained Geschwind, who is director of the UCLA Neurogenetics Program and the Center for Autism Research and Treatment and co-director of the Center for Neurobehavioral Genetics at UCLA.

However, the neural basis of early overgrowth remains unknown and can only be known from direct quantitative studies of the young postmortem autistic brain.

The mutated genes also interfered with how the brain's layers and halves relate to one another, a phenomenon confirmed by previous imaging studies of the autistic brain.

On the other hand, dysfunctional speech - related neural processing in the autistic brain might also denote a deficiency of oscillation coordination, based on temporal integration deficits, that reaches beyond the auditory modality.

Using interviews, blueprints, and accessible narrative, the author explains the workings of the autistic brain while introducing the life of Temple Grandin, an autistic woman famous for her animal rights advocacy.

Not exact matches

Compounds produced in the digestive system have been linked to autistic - type behaviour in laboratory settings, potentially demonstrating that what autistic children eat can alter their brain function, say scientists from the University of Western Ontario.

Also, for parents of potentially autistic children or Adhd or other brain diorders look up «Gut and psychology syndrome» with Dr. Natasha Campbell - McBride.

In Siegal's book The World of the Autistic Child, it was suggested that the sleep problems faced by autistic children may also be a result of the way autistic neurotransmitters in the brain fAutistic Child, it was suggested that the sleep problems faced by autistic children may also be a result of the way autistic neurotransmitters in the brain fautistic children may also be a result of the way autistic neurotransmitters in the brain fautistic neurotransmitters in the brain function.

Since the brain regulates our sleep - wake cycles, autistic children often have trouble going to sleep and waking up at appropriate times.

STOP SIGNS Brainlike structures grown from autistic patients» stem cells (right) produced greater numbers of brain cells that make other brain cells less active (green and red) compared with structures grown from the cells of a non-autistic family member (left).

The brainlike structures created from cells taken from autistic children showed increased activity in genes that control brain - cell growth and development.

Miller has also seen physiological similarities in the brains of autistic savants and patients with frontotemporal dementia.

Imaging studies have shown that when autistic children see a familiar face, their pattern of brain activation is different from that of normal children.

The abnormality thus detected consists in a less deep fold in Broca's area, a region of the brain specialized in language and communication, functions that are impaired in autistic patients.

For a paper published in the International Journal of Psychophysiology, the researchers observed the EEG measures of 13 autistic children and 13 neurotypical children (children with a mean age of 10 years old without an intellectual deficiency or sleep problem and who were not on medication) and found that disruptions in protective brain waves during sleep are associated with lower results on verbal IQ tests.

However, despite these similarities, the researchers noted that the relationship between these sleep waves and cognitive performance differs between neurotypical and autistic children, as different brain regions are involved for each group.

Autistic toddlers tend to have large brains for their age, and researchers have shown a correlation between the degree of excess growth and the severity of autism symptoms.

At two and a half, the autistic subjects» brains were 7 percent larger on average than the control group's.

The authors suggest that the intricate balance between the signaling of neurons in these three brain regions may be crucial for normal social behavior in humans, and that disruption may contribute to various psychiatric conditions, including autistic spectrum disorders.

Situations that are normally socially rewarding fail to activate brain - reward circuitry in autistic children, Izuma adds, so they may also find the idea of a good social reputation less rewarding.

Instead of changing to accommodate a job, connectivity in key brain networks of autistic children looks similar to connectivity in the resting brain.

These are the accumulated reflections from a lifetime spent observing the extraordinary ways the human brain can misfire and misbehave: a man who believes his own leg does not belong to him, an autistic woman with a gift for understanding animals, and the man who mistook his wife for a hat — the case that inspired one of Sacks's most famous books.

The finding could help researchers understand more about the relationship between autistic traits and how the brain adapts to problem solving in the general population.

If these mutations happen during embryonic development, there could be several neurological problems: the child could become autistic, kids could be born with seizure disorder, or the developing neurons might not migrate to their proper site in the brain.

The average adult human brain weighs 1,375 grams, but Courchesne encountered one 3 - year - old autistic boy whose brain weight was estimated at 1,876 grams.

The involvement of this enzyme in susceptibility to oxidative stress, which has frequently been observed in autistic children, its association with gastrointestinal diseases — which often accompany autistic disorders — and its role in nerve development and neurotransmission mean it is an ideal candidate for deregulation of its expression to lead to the abnormal brain development observed in ASD.

«We had brain tissue from autistic individuals as young as 5 and as old as 45 and we found neuroglial inflammation in all of them.

By tracking the subjects» eye movements and brains, Dalton and Davidson found that the autistic children spent less time fixing their gaze on the eyes in the photographs.

Courchesne suspects that fetal brains become autistic due to a combination of genetic and environmental influences that strike during the second and possibly third trimesters, just as neurons are dividing.

When autistic children are born, Courchesne's research suggests, they have an abundance of neurons jammed into an average - size brain.

Past that age, Courchesne found, the rate of brain growth slowed in autistic children, falling behind that of ordinary children.

In a 2005 study in the Annals of Neurology, he found inflammation in immune - responsive brain cells of autistic patients.

Working with the brains of six normal children and seven autistic children ages 2 to 16, most of whom died of drowning, Courchesne has studied neurons under the microscope and even counted the number of neural cells in different tissue samples.

Autistic children exhibited similar activity in their brains» movement centers, but function in the mirror - neuron centers was conspicuously low.

«New studies point to autism beginning in the womb,» said Courchesne, who, with colleagues, published one such widely reported study last year detailing disrupted brain development in post-mortem brains of autistic children.

This lack of interest in human speech not only correlated with the severity of a child's autistic symptoms, Kuhl notes, but with a lack of typical brain response to subtle changes in syllables, such as the switch from «ba» to «da.»

The most interesting thing about the results, she says, was not the correction of the autistic symptoms in the mice, but the clues the study provided about how the gut's microbial population may affect the brain and behavior.