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.