Not exact matches
A
volume decrease in specific parts of the
brain's hippocampus — long identified as a hub of mood and memory processing — was linked to bipolar disorder
in a study led by researchers at The University of Texas Health Science Center at Houston (UTHealth).
The researchers found that
in patients with SAD,
brain volume and activity
in the amygdala
decrease as a result of ICBT.
Previous studies have shown that people diagnosed with emotional instability disorders exhibit a
decrease in the
volume of certain
brain areas.
After a two - week course of this multimodal regimen, males showed a dramatic increase
in sensorimotor function (50 percent to 75 percent), working memory (
decreases in path length to a platform: 375 cm to 300 cm) and a
decrease in animals presenting with severe
brain injury
volumes (80 percent to 36 percent) compared to hypothermia and NAC treatment.
The group identified eight genetic variants associated with
decreased brain volume, several found
in over one - fifth of the world's population.
In the 8 participants for whom an adequate number of imaging studies were completed, whole
brain volume — the overall amount of
brain tissue —
decreased significantly throughout the study period.
A similar
decrease in brain volume was found with some anti-amyloid immunotherapy trials,» Turner adds.
There are genes that determine whether the same life event causes an increase or
decrease in the
volume of the hippocampus, and which therefore defines whether the stress is good or bad for our
brain.
The results showed that with testosterone treatment the
volume of grey matter
decreased in two specific regions of the
brain, the Broca's and Wernicke's areas, which are mainly responsible for language processing.
The
volume of gray matter is a measure of
brain health, but the amount of gray matter
in the
brain often begins to
decrease in late adulthood, even before symptoms of cognitive dysfunction appear.
Specifically, compared with controls, marijuana abusers had significantly attenuated behavioral («self - reports» for high, drug effects, anxiety, and restlessness), cardiovascular (pulse rate and diastolic blood pressure), and
brain DA [reduced
decreases in distribution
volumes (DVs) of [11C] raclopride, although normal reductions
in striatal nondisplaceable binding potential (BPND)-RSB- responses to MP.
One year follow - up revealed that AN1792 antibody responders showed improvements
in cognitive measures as assessed by the neuropsychological test battery (NTB) and a
decrease in brain volume compared with placebo.
In Alzheimer's disease,
brain volume decreases significantly.
In fact,
brain volume and weight
decreases through time.
Three recent experimental studies focused on low consumption / exposure.949596
In one study, 29 smokers each consumed a single cigarette, immediately after which they had a significant decrease in blood vessel output power and significant increase in blood vessel ageing level and remaining blood volume 25 minutes later, as markers of atherosclerosis.94 In another study, human coronary artery endothelial cells were exposed to the smoke equivalent to one cigarette, which led to activation of oxidant stress sensing transcription factor NFR2 and up - regulation of cytochrome p450, considered to have a role in the development of heart disease.95 These effects were not seen when heart cells were exposed to the vapour from one e - cigarette.95 A study exposed adult mice to low intensity tobacco smoke (two cigarettes) for one to two months and found adverse histopathological effects on brain cells.
In one study, 29 smokers each consumed a single cigarette, immediately after which they had a significant
decrease in blood vessel output power and significant increase in blood vessel ageing level and remaining blood volume 25 minutes later, as markers of atherosclerosis.94 In another study, human coronary artery endothelial cells were exposed to the smoke equivalent to one cigarette, which led to activation of oxidant stress sensing transcription factor NFR2 and up - regulation of cytochrome p450, considered to have a role in the development of heart disease.95 These effects were not seen when heart cells were exposed to the vapour from one e - cigarette.95 A study exposed adult mice to low intensity tobacco smoke (two cigarettes) for one to two months and found adverse histopathological effects on brain cells.
in blood vessel output power and significant increase
in blood vessel ageing level and remaining blood volume 25 minutes later, as markers of atherosclerosis.94 In another study, human coronary artery endothelial cells were exposed to the smoke equivalent to one cigarette, which led to activation of oxidant stress sensing transcription factor NFR2 and up - regulation of cytochrome p450, considered to have a role in the development of heart disease.95 These effects were not seen when heart cells were exposed to the vapour from one e - cigarette.95 A study exposed adult mice to low intensity tobacco smoke (two cigarettes) for one to two months and found adverse histopathological effects on brain cells.
in blood vessel ageing level and remaining blood
volume 25 minutes later, as markers of atherosclerosis.94
In another study, human coronary artery endothelial cells were exposed to the smoke equivalent to one cigarette, which led to activation of oxidant stress sensing transcription factor NFR2 and up - regulation of cytochrome p450, considered to have a role in the development of heart disease.95 These effects were not seen when heart cells were exposed to the vapour from one e - cigarette.95 A study exposed adult mice to low intensity tobacco smoke (two cigarettes) for one to two months and found adverse histopathological effects on brain cells.
In another study, human coronary artery endothelial cells were exposed to the smoke equivalent to one cigarette, which led to activation of oxidant stress sensing transcription factor NFR2 and up - regulation of cytochrome p450, considered to have a role
in the development of heart disease.95 These effects were not seen when heart cells were exposed to the vapour from one e - cigarette.95 A study exposed adult mice to low intensity tobacco smoke (two cigarettes) for one to two months and found adverse histopathological effects on brain cells.
in the development of heart disease.95 These effects were not seen when heart cells were exposed to the vapour from one e - cigarette.95 A study exposed adult mice to low intensity tobacco smoke (two cigarettes) for one to two months and found adverse histopathological effects on
brain cells.96
The
volume of the whole
brain decreases faster
in people carrying the HD mutation, although it also shrinks over a year
in people without the HD mutation.
The human
brain starts to
decrease in volume and weight as we age, but research has shown that long - term meditators have better preserved
brains that non-meditators, as they age.
The same team of Harvard researchers also found that mindfulness meditation
decreases brain cell
volume in the amygdala, the part of our
brain responsible for fear, anxiety and stress.
And a study published
in the journal Neurology discovered some seriously scary downsides of consuming too much trans fat: poor cognitive function and a
decrease in cerebral
brain volume.
Researchers have found that BDNF levels decline progressively with age.10 Lommatzsch, M., et al. «The Impact of Age, Weight and Gender on BDNF Levels
in Human Platelets and Plasma,» Neurobiology of Aging 26 (2005):... continue At the same time that BDNF levels decrease, the volume of the hippocampus (primary center for emotion and memory) also decreases.11 Erickson, K.L., et al. «Brain - Derived Neurotrophic Factor is Associated with Age - Related Decline in Hippocampal Volume, Journal of Neuroscience 30,... continue In fact, in some neurological diseases, such as Huntington's and Alzheimer's disease, BDNF levels are low or deficient.12 Laske, C., et al. «Decreased Brain - Derived Neurotrophic Factor (BDNF) and B - Thromboglobulin Blood Levels in Alzheimer's Disease,» Journal of... contin
in Human Platelets and Plasma,» Neurobiology of Aging 26 (2005):... continue At the same time that BDNF levels
decrease, the
volume of the hippocampus (primary center for emotion and memory) also decreases.11 Erickson, K.L., et al. «Brain - Derived Neurotrophic Factor is Associated with Age - Related Decline in Hippocampal Volume, Journal of Neuroscience 30,... continue In fact, in some neurological diseases, such as Huntington's and Alzheimer's disease, BDNF levels are low or deficient.12 Laske, C., et al. «Decreased Brain - Derived Neurotrophic Factor (BDNF) and B - Thromboglobulin Blood Levels in Alzheimer's Disease,» Journal of... co
volume of the hippocampus (primary center for emotion and memory) also
decreases.11 Erickson, K.L., et al. «
Brain - Derived Neurotrophic Factor is Associated with Age - Related Decline
in Hippocampal Volume, Journal of Neuroscience 30,... continue In fact, in some neurological diseases, such as Huntington's and Alzheimer's disease, BDNF levels are low or deficient.12 Laske, C., et al. «Decreased Brain - Derived Neurotrophic Factor (BDNF) and B - Thromboglobulin Blood Levels in Alzheimer's Disease,» Journal of... contin
in Hippocampal
Volume, Journal of Neuroscience 30,... continue In fact, in some neurological diseases, such as Huntington's and Alzheimer's disease, BDNF levels are low or deficient.12 Laske, C., et al. «Decreased Brain - Derived Neurotrophic Factor (BDNF) and B - Thromboglobulin Blood Levels in Alzheimer's Disease,» Journal of... co
Volume, Journal of Neuroscience 30,... continue
In fact, in some neurological diseases, such as Huntington's and Alzheimer's disease, BDNF levels are low or deficient.12 Laske, C., et al. «Decreased Brain - Derived Neurotrophic Factor (BDNF) and B - Thromboglobulin Blood Levels in Alzheimer's Disease,» Journal of... contin
In fact,
in some neurological diseases, such as Huntington's and Alzheimer's disease, BDNF levels are low or deficient.12 Laske, C., et al. «Decreased Brain - Derived Neurotrophic Factor (BDNF) and B - Thromboglobulin Blood Levels in Alzheimer's Disease,» Journal of... contin
in some neurological diseases, such as Huntington's and Alzheimer's disease, BDNF levels are low or deficient.12 Laske, C., et al. «
Decreased Brain - Derived Neurotrophic Factor (BDNF) and B - Thromboglobulin Blood Levels
in Alzheimer's Disease,» Journal of... contin
in Alzheimer's Disease,» Journal of... continue
These latest
brain scans include DTI (Diffuse Tensor Imaging), SWI (Susceptibility Weighted Imaging), and the very latest, FDA approved NeuroQuant (aka Quantitative Volumetric Analysis) The NeuroQuant is a statistically driven exam which actually measures the
decrease in volume of the injured part 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).
Atypical cortisol production
in young children can result
in measurable changes
in brain structure and
decreased brain volume.
Postnatal
decrease in circulating insulin - like growth factor - I and low
brain volumes in very preterm infants