Sentences with phrase «reward signal»

Eventually after a whole sequence of these actions you get some sort of reward signal.

With more reward signal they are more likely to become addicted and have an exaggerated memory of reward associated with taking cocaine.

New research presented by Dr. Jonathan Britt, from McGill University, helps to better understand how reward signals, such as those produced by addictive drugs, travel through the brain and modify brain circuits.

For instance, the neuromodulator dopamine seems to act as a global reward signal.

Our brains generate the same reward signals when we conquer any challenge, big or small, so I take on smaller challenges outside of work.2 My daily physical workouts are diverse — running, yoga, Pilates, strength training — and I progress by focusing on today's form and peak performance.

Functional MR imaging taken while the animals received either a juice reward or VTA stimulation revealed that both induced activation of brain regions that previous studies in humans and other primates have associated with reward signaling by means of the neurotransmitter dopamine.

To help solve the paradox of aggregation and pair bonding, the researchers examined the striatum, a brain area that regulates both social and sexual behaviors and that encodes reward signals via a molecule called dopamine.

GABAB receptors, found in the central nervous system, mediate some of the actions of GABA, the major inhibitory neurotransmitter in the brain involved in regulating several brain functions, including reward signals that play a role in drug addiction.

This is why when the receptors in your tongue are highly stimulated, it results in your brain sending out excessive reward signals whenever you eat something with sugar in it, which end up overriding your self - control mechanisms.

Eating a high - protein breakfast can actually alter the motivation and reward signals in the brain, making people less likely to be driven to eat in order to feel better (12).

«Investigating the pleasure centers of the brain: How reward signals are transmitted.»

I think that's an example of where reinforcement learning is maybe not quite mature enough to really operate in these incredibly unconstrained environments where the reward signals are less crisp.

There's a much broader set of search results I can show in response to different queries, and the reward signal is a little noisy.

Whereas in a board game there's a limited set of moves you can take, and the rules of the game constrain things a bit and the reward signal is also much clearer.

If my goal was to make a cup of coffee or something, there's a whole bunch of actions I might want to take, and the reward signal is a little less clear.

Reinforcement learning is the idea of being able to assign credit or blame to all the actions you took along the way while you were getting that reward signal.

Based on their results and evidence from other studies on addiction and the hippocampus, the authors suggest an intriguing explanation for addiction: newborn neurons in the hippocampus inhibit the release of dopamine, one of the major chemical messengers that act as a reward signal.

The team is also investigating whether women who suffer postpartum depression lack receptors for newborn scent molecules or don't receive the reward signals from the baby smell.

Our results suggest that a reward signal transforms a nascent memory trace into a stable LTM using a feedback circuit at the cost of memory specificity.