Sentences with phrase «brain structure alterations»
Despite the relationship between these brain structure alterations and fine particle exposure, the average residential levels of fine particles in the study were well below the current acceptable limit set by the EU — only 0.5 percent of the pregnant women in the study were exposed to levels considered unsafe.
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Too little food and / or nutrient deficiency can lead to depletion of energy stores, alteration of brain structure, and cardiac dysfunction.
Additionally, the brain structure abnormalities identified in this study reflect those found in children with depression or at high risk for developing the disorder, suggesting that these alterations may be why children of mothers with perinatal depression are more vulnerable to depression later in life.
«Most previous studies have focused on using one technique at a time, even though we have evidence that there are alterations in the brain in autism in terms of structure, white - matter connectivity, and brain chemical concentrations.
More recently, brain scans have directly linked these conditions with changes in levels of neurotransmitters — chemicals that convey messages across neurons — or alterations in the number or structure of neurons in different brain areas.
The latter discovered significant alterations in synaptic structure and activity in excitatory neuronal networks of the hippocampus, a region of the brain that plays a major role in cognitive processes.
New research by Washington University School of Medicine researchers, including Terrie E. Inder, MD, shows that exposure to stressors in the neonatal intensive care unit (NICU) is associated with alterations in the brain structure and function of very preterm infants.
The scans of those with brain injuries showed significant alterations in the structure of the brain.
Specifically, exposure to prenatal and / or postnatal stress is associated with increased basal and stress - induced responsiveness of the hypothalamic pituitary adrenal axis, increased central corticotropin - releasing hormone and norepinephrine drive, decreased γ - aminobutyric acid / benzodiazepine functioning, multiple alterations in the serotonergic system, and reduction in hippocampal volume, a brain structure vulnerable to the neurotoxic effects of stress - induced elevations in circulating glucocorticoids (e.g., cortisol) and amino acids (e.g., glutamate).