id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
en-wikipedia-org-3485		Reward system - Wikipedia			.html	text/html	13382	1428	50	In neuroscience, the reward system is a collection of brain structures and neural pathways that are responsible for reward-related cognition, including associative learning (primarily classical conditioning and operant reinforcement), incentive salience (i.e., motivation and "wanting", desire, or craving for a reward), and positively-valenced emotions, particularly emotions that involve pleasure (i.e., hedonic "liking").[3][2] Rewarding stimuli (and all addicting drugs) act on the circuit by triggering the VTA to release dopamine signals to the nucleus accumbens, either directly or indirectly.[31] The VTA has two important pathways: The mesolimbic pathway projecting to limbic (striatal) regions and underpinning the motivational behaviors and processes, and the mesocortical pathway projecting to the prefrontal cortex, underpinning cognitive functions, such as learning external cues, etc.	./cache/en-wikipedia-org-3485.html	./txt/en-wikipedia-org-3485.txt