Sentences with phrase «medial temporal»

Ins, insula; SS, somatosensory operculum; dTP, dorsal temporal pole; cACC, caudal anterior cingulate cortex; rACC, rostral anterior cingulate cortex; sgACC, subgenual anterior cingulate cortex; MTL, medial temporal lobe; FG, fusiform gyrus; vTP, ventral temporal pole; vlSt, ventrolateral striatum; vmSt, ventromedial striatum.

Imaging studies using these composite measures of SES have found significant correlations between composite scores and regions in the medial temporal lobe and frontal lobe (Raizada et al., 2008; Jednoróg et al., 2012), but without knowing associations to specific SES markers, it is difficult to compare these studies with other structural imaging studies.

Researchers have investigated the effects of refined sugars on cognitive function, and conclude that «Special care in food selection at meals should be exercised by those with type 2 diabetes since ingestion of rapidly absorbed, high — glycemic index carbohydrate foods further impairs medial temporal lobe function, with food - induced increases in oxidative stress and cytokine release likely explaining the association between food ingestion and reduction in cognitive function in those with type 2 diabetes (1).»

Numerous studies show that people who exercise regularly have a prefrontal cortex and medial temporal cortex that are larger in volume versus people do not exercise.

Each participant also underwent a scan of their medial temporal lobe.

We consider recent experiments correlating neuronal activity the medial temporal cortex (area MT) to performance during two - alternative discrimination tasks [4, 5], and show how the different tasks used in these studies either isolate the effects of «high - slope» encoding [5] or «peak - firing - rate» encoding [4].

It also extended into the medial temporal lobe, temporal pole, parahippocampal gyrus, hippocampus, amygdala and cerebellum.

The orbital prefrontal cortex negatively interacted with the left medial temporal cortex only at the acupuncture points.

Researchers found that higher levels of tau in the brain, especially in the medial temporal lobe, were linked to decline in episodic memory.

Through PET scans, Jagust and his colleagues found that tau protein actually forms in the brain's medial temporal lobe.

It may be that amyloid facilitates the spread of tau in the medial temporal lobe to other regions in the brain such as the neocortex.

They determined that the DMN was composed of multiple components, including a medial core and a medial temporal lobe subsystem.

During rest, this effect was mainly driven by connections between rather than within the visual, medial temporal lobe and default mode networks, whereas during task it was driven by connectivity within these networks.

The medial temporal lobe is considered the fundamental substrate of episodic memory, mediating the acquisition of events unfolding with particular spatial and temporal relationships (what, where, and when).

Negative self - processing is associated with alterations in the neural correlates of self - referential processing (e.g., midline cortical structures) and autobiographical memory systems (e.g., medial temporal lobe structures).

The default - mode network (DMN) is a prominent network which includes the posterior cingulate cortex (PCC), medial prefrontal cortex (mPFC), medial temporal lobes (MTL), and angular gyrus (AG).

These 2 modalities were used to investigate connectivity within the default mode network, a set of brain regions — including medial prefrontal cortex (MPFC), medial temporal lobes (MTLs), and posterior cingulate cortex (PCC) / retropslenial cortex (RSC)-- implicated in episodic memory processing.

The results also fit with our earlier finding that raised tHcy predicts the rate of shrinkage of the medial temporal lobe in patients with Alzheimer's disease [12].

Goldstein and her colleagues found that patients diagnosed with â $ œamnesticâ $ MCI showed greater loss of white matter integrity in a certain part of the brain — the medial temporal lobe â $ «than cognitively normal controls of similar age.

2/4/2008 Researchers Use New Method to Probe Recollections in Memory - Impaired Patients Neuroscientists continue to debate whether or not long - term memory always depends on a region of the brain called the medial temporal lobe, which contains the brain's memory - processing center, the hippocampus.

Some of their brains had smaller medial temporal lobes too.

Newborns with a certain version of a gene are more likely to have a smaller medial temporal lobe (blue spots).

The first of these two research programs involves the independent mnemonic contributions of the different medial temporal lobes structures, the extent to which different medial temporal lobe structures must interact in storing information and their interaction with the prefrontal cortex.

Using a combination of magnetic resonance imaging and an advanced segmentation approach, researchers evaluated the differences in the volumes of subfields of the hippocampus, the seahorse - shaped region in the brain's medial temporal lobe.

Her work has demonstrated that, for some types of memory, the entorhinal and perirhinal cortical regions in the ventral medial temporal lobe play a more important role than does the hippocampus.

The team found that babies with the version of the gene linked to an increased risk of Alzheimer's were more likely to have smaller medial temporal lobes.

She showed that the medial temporal lobe amnestic syndrome is characterised by an inability to acquire new memories and an inability to recall established memories from a few years immediately before damage, while memories from the more remote past and other cognitive abilities, including language, perception and reasoning were intact.

Not every baby in the new study had a smaller medial temporal lobe.

Functional magnetic resonance imaging (fMRI) was used to study memory - associated activation of medial temporal lobe (MTL) regions in 32 nondemented elderly individuals with mild cognitive impairment

The first real memory loss I observed associated with bilateral medial temporal - lobe damage occurred in two of Dr. Penfield's patients whom I studied in Montreal, and who had this memory loss after a unilateral temporal removal that included the bulk of the hippocampus.

Brenda Milner studied the effects of brain damage, in particular on a region known as the medial temporal lobe, and its effects on memory.

Human medial temporal - lobe stimulation disrupts both formation and retrieval of recent memories.

Decades of research and clinical observations have established that declarative memory, the ability to remember recently experienced facts and events, depends on the hippocampus and associated structures in the medial temporal lobe, including the entorhinal, perirhinal, and parahippocampal cortexes.1

Neuropsychological data suggest that the left medial temporal lobe is better suited to verbal learning32 and that the right medial temporal lobe is better suited to nonverbal (e.g., visuospatial) learning.33 Although two subjects in our study had stimulation in the left entorhinal area, our study is too small to support conclusions about laterality effects.

Our results show that spatial learning in humans can be enhanced by electrical stimulation of the entorhinal region, a specific site within the medial temporal lobe and the chief gateway into the hippocampus.

The medial temporal structures, including the hippocampus and the entorhinal cortex, are critical for the ability to transform daily experience into lasting memories.

This task has been used in several studies showing recruitment of the medial temporal lobe during navigation.28 - 30 The study was performed in accordance with the protocol (available at NEJM.org), which includes mention of a test of deep - brain stimulation during egocentric training; we have yet to carry out this part of the protocol.

We did, however, observe an improvement in performance when the medial temporal lobe in persons with epilepsy was stimulated and regardless of baseline memory performance, a finding that suggests that improvement could occur in patients with other memory impairments (e.g., Alzheimer's disease).

Namely, they investigated language and cognition control areas in the frontal regions of the brain, and medial temporal lobe structures that are important for memory and are brain areas known to atrophy in MCI and AD patients.

A key sign of early Alzheimer's disease is the loss of brain tissue in a region of the brain, known as the medial temporal lobe.

Grandin's left medial temporal lobe — involved in memory — appears in pink in this MRI.

Their new paper, «Single - Cell Responses to Face Adaptation in the Human Medial Temporal Lobe», has now been published in Neuron.

That meant the team could record activity in the normally inaccessible medial temporal lobe.

Depending on the person, particular cells in the medial temporal lobe — an area critical to forming long - term memories — get fired up only by, for example, images of

He operated on Molaison in 1953, using a suction device to excise a three - inch segment of the medial temporal lobe on both sides.

Single - Cell Response to Face Adaptation in the Human Medial Temporal Lobe.

The wires enabled the researchers to monitor the electrical activity of individual nerve cells in the medial temporal lobe and to detect neurons that would respond more to the perception of one person than to that of another.

She strongly suspects these later patches may communicate with the medial temporal lobe, a region where, in 2005, Christof Koch of the California Institute of Technology discovered neurons that responded exclusively to specific individuals, such as actor Halle Berry.

The hippocampus is a structure near the base of the brain in a region called the medial temporal lobe.

The case showed that the medial temporal lobes (MTL), which include the hippocampus, are crucial for making new memories.