Not exact matches
The
brain encourages these contortions, activating
reward circuits in
response to biased reasoning that gives a high akin to a junkie's.
Unlike the non-dieters, the dieters tended to show a heightened
response in the areas of their
brains linked with processing
rewards, and a lowered
response in the parts of their
brains linked with a sense of control.
Social media and messaging fool the limbic system — the part of the
brain responsible for survival and
response to emotional stimuli — into
rewarding us every time we connect with others online.
For some people, palatable foods invoke such a strong
response in the
brain's
reward circuit — and so dramatically alter their biology — that willpower will rarely, if ever, be sufficient to resist eating those foods once they are around.
A study published a few years ago in the journal Frontiers in Psychology shows that when moms breathe in the smell of their own newborns, it releases a
reward - seeking
response in the
brain.
This experience mimicked the
brain's
reward - based learning
response — as opposed to an avoidance - learning
response, an experience that involves different parts of the
brain that together comprise the «anterior insula.»
The basal ganglia are structures deep within the
brain, thought to be responsible for control of movements and
responses to
rewards as well as cognitive functions.
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.
In some trials the volunteers had to press a button whenever they saw a smiling face; in other trials they were asked to resist the happy faces and instead respond to the calm ones, even though the sight of a happy face summons up the same
reward - seeking
responses in the
brain as the sight of a dollar sign or the prospect of tasty food.
Maureen Boyle, chief of the Science Policy Branch of the National Institute on Drug Abuse, and Edward Bilsky, a professor of pharmacology and the founding director of the Center for Excellence in Neurosciences at the University of New England, showed how opioids can commandeer the
brain's natural systems that control pain and
reward, and trigger a vicious
response cycle that can diminish the pain - relieving power of medications, prompt users to reach for increasingly larger quantities of opioids and lead to deadly overdoses.
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!»
Previous findings from Hariri's group show that people whose
brains exhibit a high
response to threat and a low
response to
reward are more at risk of developing symptoms of anxiety and depression over time.
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.
Fathers of daughters had greater
responses to their daughters» happy facial expressions in areas of the
brain important for visual processing,
reward, emotion regulation, and face processing than fathers of sons.
This
brain region plays a crucial role in linking the need or desire for a given
reward — food, sex, etc. — with the motor
response to actually obtain that
reward.
Brain responses to
reward in attention deficit hyperactivity disorder.»
This lack of a physical
response suggests that marijuana abusers might have damaged
reward circuitry in their
brains, Volkow and her team report online today in the Proceedings of the National Academy of Sciences.
Reiss also found that women showed a stronger
response in the nucleus accumbens, the
brain's
reward center, suggesting that they ultimately derived bigger pleasure hits from punch lines.
The frontline prescription drugs currently used to treat tobacco dependence — which include bupropion and varenicline — primarily target the
brain's «
reward» pathways by interfering with the release and binding of dopamine in the
brain in
response to nicotine.
If the dogs»
response to faces was learned — by associating a human face with food, for example — you would expect to see a
response in the
reward system of their
brains, but that was not the case, Berns says.
This decreased
reward response to alcohol arose via two mechanisms: an initial activation of stress hormone receptors and a subsequent increase in inhibitory signaling in the
brain.
The most primitive part of the
brain — the same
reward pathway activated by food and sex — lights up in
response to altruistic giving.
Dr Lawrence, of Psychology, said: «Our findings show for the first time that gamblers have an exaggerated theta
response to almost winning in
brain regions related to
reward processing, which could contribute to them continuing to gamble despite their losses.
Scientists have predicted that these changes in structure could elicit a pleasurable
reward response in the
brain.
Surprise is important because it is a measure of new information; something that the
reward centers of the
brain recognise as being of value, leading to a positive emotional
response.
His lab will next investigate how reduced - carbohydrate and reduced - fat diets affect the
brain's
reward circuitry, as well as its
response to food stimuli.
To control the
brain response to other types of
rewards, participants also had to play a monetary wagering task in which they could win or lose real money.
In situations where monkeys can potentially cooperate to improve their mutual
reward, certain groups of
brain cells work to accurately predict the
responses of other monkeys
Differential effects of fructose versus glucose on
brain and appetitive
responses to food cues and decisions for food
rewards.
They showed that stress also increases the
responses of nAChRs within the
brain's
reward areas.
The gray matter of the
brain regions increases in volume and helps in regulating certain
responses related to the
reward system.
Other research has shown that when dieters are offered
rewards like food, they usually show a stronger
brain response after they've eaten --» which suggests that they're still kind of motivated to eat even once they're nutritionally full,» Ely says.
When we consume hyper - palatable foods they light up a series of mechanisms in our
brain collectively referred to as «the
reward response system» that make us want to consume more of said food.
Ghrelin works by activating the
brain's
reward response to highly addictive sweet, fatty foods, making you crave them incessantly.
It activates the same pleasure -
reward system in your
brain as opioid drugs, creates its own «organ» of fat stores inside your body to feed, regulate, and communicate with itself, and creates nutritional deficiencies as your body fights itself trying to calm the inflammatory
responses.
The sense of achievement and feelings which can be
rewarding getting a lot accomplished creates a
response that is dopamine our
brain that can make you feel fantastic about ourselves.
Cells release dopamine stimulating a pleasure
response in the
brain as a
reward for something as simple as the fresh baked smell of homemade brownies.
A neurotransmitter — a chemical that transfers nerve impulses from one nerve fiber to another — dopamine controls the
reward and pleasure centers in the
brain, regulates movement and emotional
responses, and controls where we focus our attention.
These images triggered the appetite and
reward centers in the
brain, and these neural and behavioral
responses to high - calorie food stimuli may promote eating.
In addition, it does not take long for the
brain to learn the
reward, with memory and emotional processes involved in negotiating behavioral and cognitive
responses.
Higher plasma glucose levels correlated with greater
brain activity in executive control centers in the ACC and ventromedial PFC, whereas higher levels of plasma cortisol, but not other hormones, were correlated with greater activation in
reward regions, such as the insula and putamen (P < 0.01, corrected), in
response to high - calorie food cues.
The
brain is wired for high interest when clues prompt prediction, anticipating the pleasure of the dopamine
reward response.
The dopamine -
reward system is fueled by the
brain's recognition of making a successful prediction, choice, or behavioral
response.
Of the fifteen dogs in the study thirteen exhibited a greater or equal
response in the area of the
brain associated with
reward and decision - making when the reinforcement was praise from their owner vs. food / treats.
Conduct - disordered youth exhibit a decreased dopamine
response to
reward and increased risk - taking behaviors related to abnormally disrupted frontal activity in the anterior cingulate cortex (ACC), orbitofrontal cortices (OFC), and dorsolateral prefrontal cortex (DLPFC) that worsens over time due to dysphoria activation of
brain stress systems and increases in corticotropin - releasing factor (CRF).