Sentences with phrase «of ventral»

First we hypothesized that, relative to healthy controls, youth with current MDD would show increased reactivity to peer rejection in a network of ventral brain regions implicated in affective processing of social information, including the amygdala, sgACC, anterior insula, ventral ACC and VLPFC.
The anterior insula receives a direct projection from the basal part of the ventral medial nucleus of the thalamus and a particularly large input from the central nucleus of the amygdala.
The blotch count in my captive group of 6 animals ranges from 52 to 70, with the venter unmarked save for light speckling and a small triangular black mark at the outside edge of each ventral scale.
They are most similar to annectens in color and blotch count, but are nearer to catenifer in the number of ventral and subcaudal scales.
Activation of the caudate cluster (CD) was significant at p < 0.05 after correcting for FDR over the search volume of the ventral brain from olfactory bulb to internal capsule (p < 0.01 height and cluster extent > 6).
When the datasets of both dogs were combined by spatial warping, activation of the caudate cluster was significant at p < 0.05 after correcting for FDR over the search volume of the ventral brain from olfactory bulb to internal capsule (p < 0.01 height and cluster extent > 6).
The prepuce in male dogs may be clamped to one side of ventral midline with a sterile Backhaus towel clamp.
Beyond tooth loss, however, severe periodontal disease can lead to pathological fractures of the lower jaw bones, and / or erosion of the ventral part of the nasal sinsus leading to an infection that spans the maxilla (upper jaw bone) and nasal sinsus, called an oronasal fistula.
Histopathology in all cats showed hyaline degeneration of the ventral spinal artery, basilar artery or associated branches with aneurysmal dilation, thrombosis and ischemic degeneration and necrosis of the spinal cord and brain.
* «Volume and connectivity of the Ventral Tegmental Area are linked to neurocognitive signatures of Alzheimer's disease in humans» by Matteo De Marco and Annalena Venneri published in the Journal of Alzheimer's Disease on Tuesday 27 March 2018.
(A) Diagram of anterior portion of ventral nerve cord (vnc) examined for expression of presumptive AVB: B motor neuron gap junctions.
Scanning electron microscopy revealed that, in adult worms, the axochord is deeply embedded in the fibrous sheath of the ventral nerve cord (16) and remains connected to the transverse muscles (Fig. 3, C and D).
(A to D) Convergence of ventral muscles into an axochord (white arrows) in Capitella, illustrated by phalloidin stainings (A and C) and WMISH (red in B and D) of selected axochord markers.
Yet, in the absence of detailed investigations of expression profile and developmental fate of mesodermal midline cells in basal ecdysozoans and deuterostome ambulacrarians, the nature of ventral midline tissue in urbilaterians remains undecided.
Casey's research shows how the adolescent brain is locked in a tug - of - war between the logical pull of the prefrontal cortex and the impulsive pull of the ventral striatum.
Distinct enhancers of < i > ptf1a mediate specification and expansion of ventral pancreas in zebrafish.
They found that individuals with genetic variations to the RASGRF2 gene had higher activation of the ventral striatum area of the brain (closely linked to the VTA and involved in dopamine release) when anticipating reward in a cognitive task.
In one family of experiments, we will use a consistent and comprehensive approach to study how the visual areas of the ventral pathway create visual representations that allow us to recognize and categorize the contents of our visual world.
Distinct enhancers of ptf1a mediate specification and expansion of ventral pancreas in zebrafish.
Compared with wild - type embryos (A), uninjected alk8 — / — embryos are weakly (class 2; C2) dorsalized (B), with loss of the ventral fin fold (arrowheads).
When an incentive was initially presented to participants, the activity of their ventral striatum increased with the magnitude of the stakes, whether framed as potential gains or losses.
In mammals, the hypothalamus is a region of the brain located below the thalamus, forming the major portion of the ventral region of the diencephalon and functioning to regulate certain metabolic processes and other autonomic activities.
Metamers of the ventral stream.
While this humpback bottom feeding behavior occurs at relatively slow speeds, it does involve the expansion of ventral pleats, which was once thought to require high speeds, as in lunging.
Its two pairs of ventral fins were of particular note as they were found to have evolved from the same structures as the limbs of land animals.
Chupkaornis has a unique combination of characteristics: finger - like projected tibiofibular crest of femur; deep, emarginated lateral excavation with the sharply defined edge of the ventral margin of that the thoracic vertebrae (those vertebrae in the upper back); and the heterocoelous articular surface of the thoracic vertebrae.
Besides the dorsal cortex, researchers were able to grow, among other regions, parts of the ventral forebrain, which makes neurons that connect to the cortex, and the choroid plexus, which generates spinal fluid.
Bottom: Magnification of ventral nerve cord of Chengjiangocaris kunmingensis.

Not exact matches

The medial ventral prefrontal cortex is the seat of humor.
Now associating ho.mose.xuality with «behavioral abnormalities» seems to be a stretch and I would think that any correlation between gay orientation and «maldevelopment of prefrontal cortical and ventral striatal dopamine systems» would be well docu.mented by now.
Suppose I could, say by ablating the ventral medial prefrontal cortex, very specifically wipe out someone's ability to feel spiritual or feel anything about the presence or existence of the supernatural (like C.S. Lewis» the Nouminous).
This group of people has their head up their ventral orifice and they are not, it seems to me, acting in good faith as regards how they are using the resources of the association as I very much doubt they could prevail in court and indeed might make the association liable for damages.
Country - Style Ribs are steaks made from any portion of the Chuck Eye Roll that are cut into two pieces by slicing individual steaks in half with a cut that starts at the ventral side and ends at the dorsal side
Looking inside the brains of animals exposed to chronic social defeat stress, the scientists observed hyperactive firing of neurons in the ventral tegmental area (VTA), a critical part of a reward circuit.
The brain scans allowed the researchers to compare unconscious with conscious responses and showed that a reward - judging region of the brain, the ventral palladium, became active in both cases.
The impact of physical activity on the ventral hippocampus specifically has not been deeply explored, said senior author Elizabeth Gould, Princeton's Dorman T. Warren Professor of Psychology.
In this case, when applied to the ventral hippocampus, the chemical blocked the mollifying effects of GABA in active mice.
This is certainly a rich and complex area of research, with emotional memory apparently centered in one particular region of the hippocampus, the ventral hippocampus.
The researchers report in the Journal of Neuroscience that when mice allowed to exercise regularly experienced a stressor — exposure to cold water — their brains exhibited a spike in the activity of neurons that shut off excitement in the ventral hippocampus, a brain region shown to regulate anxiety.
The ventral striatum is especially sensitive to dopamine, which produces a feeling of anticipation and helps the brain focus on reaching a goal.
The anxiety - reducing effect of exercise was canceled out when the researchers blocked the GABA receptor that calms neuron activity in the ventral hippocampus.
The Disney ad stoked big responses in the orbito - frontal cortex and ventral striatum, two areas associated with feelings of reward, the parts of the brain that say, «I like that!»
Further analysis revealed that some aspects of the nervous system in C. kunmingensis appear to be structured similar to that of modern priapulids (penis worms) and onychophorans (velvet worms), with regularly - spaced nerves coming out from the ventral nerve cord.
It was previously believed that in individuals with Williams, the ventral portion of the brain operated normally.
This long trunk of nerve fibers links cortical regions involved in fatigue, pain, emotion and reward - processing with the right ventral attention network, associated with cognition.
The researchers then observed that the ventral pallidum, a small structure usually activated in people who are hungry, was totally inactive while the smell and image of cheese was being presented to individuals with an aversion to cheese, whereas it was activated for all other food types.
The research team made its findings by recording and analyzing the neural activity in the ventral premotor cortex of three trained rhesus macaques as they participated in a series of grip tasks.
In this study, published in Neuron last year, Greene and Shenhav observed that as the subjects made their decisions, they tapped a fascinating selection of brain areas: the insula, normally used to manage probability and risk, and the ventral striatum, which tracks magnitude.
Those axons branch out from the ventral nerve cord, which runs the length of the bee's abdomen — further evidence, they say, that the magnetic properties of those cells influence the nervous system.
To regulate mood, the prefrontal cortex acts as a pacemaker to coordinate the actions of the amygdala, which governs stress responses, and the ventral tegmental area, which plays a role in the brain's reward circuitry.
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