Sentences with phrase «hypothalamus which»

The simple answer is that hypothalamic amenorrhea is a condition in which your brain (specifically the hypothalamus which is a one of the major control centers) has decided that you're not getting enough energy, or your stress levels are too high to reproduce (or both), so it shuts down your reproductive system.

As the baby suckles at the breast neural signals are sent to the hypothalamus which mediates the level and rhythm of secretion of the GnRH hormone.

Not exact matches

A feeling of gratitude can also activate the hypothalamus, which controls not only essential bodily functions such as sleeping and eating, but also metabolism and stress.

Those are converted into electrical impulses that pass to the part of the brain known as the hypothalamus, which governs our endocrine system and hormones, and much of our activity.»

Inhaling essential oils activates the hypothalamus — the area of the brain which sends messages to other parts of the body.

Your hypothalamus also signals your muscles to shiver, which kicks your metabolism into overdrive, 2 - 5 times the normal rate.

The research shows that the portion of the brain that helps regulate sexuality — the hypothalamus — reacted the exact same way in straight women and gay men when exposed to male pheromones, which are chemicals designed to provoke a behavior, such as sexual arousal.

The placenta secretes a large amount of corticotrophin - releasing hormone (a stress reducing hormone) in the third trimester, and may trigger the hypothalamus in the brain, which normally secretes the hormone, to stop producing it.

The areas where this volume increase were seen include the hypothalamus (which is associated with maternal motivation), the prefrontal cortex (which is associated with judgment and reasoning), and the amygdala (which is associated with emotional processing).

Again, this works by stimulating the hypothalamus and pituitary glands, both of which regulate hormone delivery in the female body.

LeVay achieved fame in the 1990s for publishing a study, often called «the gay brain» report, which revealed that the third Interstitial Nucleus of the Anterior Hypothalamus in heterosexual men was twice as large as the one found in gay men's brains.

His team previously found that the hypothalamus, which releases hormones that affect other organs, seems to affect how mice age.

Hypocretin — which binds to hypocretin receptor 2 — is manufactured in large quantities in some parts of the hypothalamus, an area known to be important in regulating sleep.

The nerve cells involved in this integration process and control of hormonal signals reside in an area of the insect brain known as the mid-Ventral Ganglion (mVG), which in turn communicates with a region of the central brain that is akin to the mammalian hypothalamus.

Cao even discovered a possible mechanism: A stimulating environment seemed to activate the brain's hypothalamus, which regulates hormones that affect everything from mood to cancer proliferation.

«The effect of sleep deprivation on pain sensitivity in operated and intact rats was virtually eliminated by pharmacologically blocking the action of adenosine in a brain region in the anterior hypothalamus known to regulate sleep, which is connected to major pain - related areas,» Vanini says.

In studies in which both men and women viewed pornography, the amygdala and the hypothalamus were activated more strongly in men.

«But in women, the hypothalamus is activated, which controls digestion, so it may not be surprising that when a woman is really upset, she feels weak and nauseated and can't sleep.»

Similar to zebrafish, mice in which Lef1 had been removed from the hypothalamus showed signs of anxiety, including being smaller and a reluctance to explore.

Women, on the other hand, activated the left hemisphere, which concentrates more on the body's inner environment and is connected to the insular cortex, where sensory information is translated into emotional experiences, and to the hypothalamus, the master regulator of such basic functions as metabolism.

Puberty begins when a part of the brain called the hypothalamus begins pumping out gonadotropin - releasing hormone (GNRH) which in turn prompts the gonads to develop and the body to change.

In contrast, some paternally expressed genes favor growth of the hypothalamus, which controls unconscious body functions.

Scientists have concocted tiny versions of several brain regions ranging from the hypothalamus, which regulates body temperature, thirst and hunger, to the movement - controlling basal ganglia.

The researchers also found that activation of ESP1 - responding neurons in the region of the brain called the hypothalamus enhanced sexual behavior in female mice, even in the absence of actual ESP1, by using various tools to chemically or optically control neural activities, combined with a process called the TRAP method, which allows them to selectively manipulate neurons responding to a particular stimulus.

Consuming these types of fatty food affects a part of the brain called the hypothalamus, which helps regulate hunger.

This sits in the hypothalamus, responsible for regulation of internal body processes using the endocrine system, which is linked to hormone secretion, via the pituitary gland.

These cells normally don't mingle with neurons from the diencephalon, which gives rise to less advanced structures such as the hypothalamus and optic nerves.

Interestingly, this brain region contains the hypothalamus, which was identified in 1991 as differing in size between gay and straight men.

They focused this effect on the hypocretin neurons, which are brain cells in the lateral hypothalamus.

The GABAergic neurons project from the ventral part of the medulla, which sits at the top of the spinal cord, into many regions of the brainstem and hypothalamus, and thus are able to affect many bodily functions.

And in January 2009 another Nature Genetics paper found an association between high body mass index and a 45,000 base - pair deletion in a gene called NEGR1, which affects neuronal growth in the hypothalamus, a brain region that regulates hunger and metabolism.

In 1994, Jeffrey Friedman, Marilyn M. Simpson Professor and head of Rockefeller's Laboratory of Molecular Genetics, launched a new era in obesity research by discovering a hormone called leptin, which acts on neurons in the brain's hypothalamus region to suppress hunger.

Like all other vertebrates, the gonads (testes and ovaries) are influenced by hormones produced by the pituitary gland, which itself is controlled by hormones from the hypothalamus, a structure in the brain.

The researchers traced the output of those cells to the hypothalamus, which is known to control behaviors associated with anxiety (in people, those include increased heart rate, avoidance, and secretion of stress hormones).

They identified 10 candidate genes in the hypothalamus, an area of the brain which helps regulate anxiety.

The hippocampal theta rhythm depends critically on projections from the medial septal area, which in turn receives input from the hypothalamus and several brainstem areas.

Females have higher estrogen - related POMC, an anorexigenic prohormone synthesized by the hypothalamus and pituitary gland, which results in important derivates like ACTH and α - melanocyte - stimulating hormone, which influence appetite and energy expenditure (242).

Central hypothalamic insulin signaling interfered with negative feedback to the hypothalamus - pituitary - adrenal (HPA) axis in stressed male mice (151), which potentially explains high comorbidity rates of mental and metabolic disorders (see section V.P).

The location is intimately associated with the visual pathways, hypothalamus, pituitary gland, and limbic system, which can cause significant problems with visual, endocrine, and cognitive and psychosocial function, both at presentation and after treatment.

Growth hormone releasing hormone (GHRH) is a neuropeptide hormone, secreted by the hypothalamus, which regulates the synthesis and release of growth hormone by the pituitary.

When you get your period, your hypothalamus sends a message to your pituitary gland, which triggers follicle growth and increases estrogen to stimulate the lining of your uterus to grow and thicken.

That's because the hypothalamus does not get a signal that is strong enough which will cause them to stop eating, which usually results in overeating.

«The estrogen swings appear to disrupt your brain's hypothalamus, which regulates your body temperature,» Dr. Berga says.

Your hypothalamus releases corticotropin - releasing hormone (CRH), which tells the pituitary gland to release the adrenocorticotropic hormone (ACTH).

Maca stimulates and nourishes the hypothalamus and pituitary glands which are the «master glands» of the body.

Taurine is the essential supplement for improving insulin sensitivity because of its anorexigenic effect on the hypothalamus gland which improves the metabolism as well as its antioxidant effect.

If in this instance, the hypothalamus doesn't get the leptin message, the body gets into a state of orexigenesis, which means gaining an appetite.

Your fat cells are responsible for releasing the hormone leptin, which acts on the hypothalamus and slows down the appetite while simultaneously speeding up the metabolism.

Then the researchers measured changes in blood flow to the hypothalamus, which plays a key role in regulating hunger.

Not surprisingly, the areas that show growth include the hypothalamus and amygdala, which are linked to motivation, rewards, and regulation of emotionâ $» and the mothers who had the most positive perceptions of their babies (rating them as «beautiful,» «perfect,» and «special,» for example) had the biggest gray matter increases.