what part of the brain is responsible for addiction?
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Repeated exposure to an addictive substance or behavior causes nerve cells in the nucleus accumbens and the prefrontal cortex (the area of the brain involved in planning and executing tasks) to communicate in a way that couples liking something with wanting it, in turn driving us to go after it.
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The cerebral cortex is responsible for most "higher order" or intellectual brain functions such as thinking, reasoning, judging, planning, voluntary movement, and overall behavior. Injury to this area of the brain can impair judgment, cause dramatic personality change, and create problems with attention and focus.
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The anterior cingulate cortex (attention area) and the dorsolateral prefrontal cortex (cognitive control area) are the main neural circuits related to regulation of motivation.
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Happiness activates several areas of the brain, including the right frontal cortex, the precuneus, the left amygdala, and the left insula. This activity involves connections between awareness (frontal cortex and insula) and the “feeling center” (amygdala) of the brain.
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The frontal lobe is a very important part of the brain. It integrates information into decisions we make. The frontal lobe is involved in problem solving, learning/speaking languages, social behaviors and more. Playing the piano exercises the brain to make it more efficient at processing information.
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The cerebral cortex is the largest site of neural integration in the central nervous system. It plays a key role in attention, perception, awareness, thought, memory, language, and consciousness.
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The limbic system, located just beneath the cerebrum on both sides of the thalamus, is not only responsible for our emotional lives but also many higher mental functions, such as learning and formation of memories. ... The thalamus and hypothalamus are associated with changes in emotional reactivity.
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The website Health.com describes dopamine as the brain's pleasure chemical. It activates the reward circuit in our brain and plays a role in drug addiction and falling in love. Dopamine makes lovers feel happy and energetic about each other.
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The Frontal Lobes: The frontal lobes of our brain are responsible for cognition, thought, memory, and judgment. By inhibiting its effects, alcohol impairs nearly every one of these functions. The hippocampus: The hippocampus forms and stores memory. Alcohol's impact on the hippocampus leads to memory loss.
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The corticolimbic brain regions affected include the olfactory bulb, piriform cortex, perirhinal cortex, entorhinal cortex, and the hippocampal dentate gyrus. It was found that a heavy two-day drinking binge caused extensive neurodegeneration in the entorhinal cortex with resultant learning deficits in rats.
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Cerebrum. Beneath the cerebral cortex is the cerebrum, which serves as the main thought and control center of the brain. It is the seat of higher-level thought like emotions and decision making (as opposed to lower-level thought like balance, movement, and reflexes).
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Regions of the brain are disrupted by drug abuse, as the National Institute on Drug Abuse (NIDA) reports that the brain stem, limbic system, and cerebral cortex are all affected.
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The prefrontal cortex is responsible for personality expression and the planning of complex cognitive behaviors. The premotor and motor areas contain nerves that control the execution of voluntary muscle movement.
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1. Happiness activates several areas of the brain, including the right frontal cortex, the precuneus, the left amygdala, and the left insula. This activity involves connections between awareness (frontal cortex and insula) and the “feeling center” (amygdala) of the brain.
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Rotate this 3D model to see the four major regions of the brain: the cerebrum, diencephalon, cerebellum, and brainstem. The brain directs our body's internal functions. It also integrates sensory impulses and information to form perceptions, thoughts, and memories.
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Certain parts of the brain are responsible for understanding words and sentences. These brain areas are mainly located in two regions, in the left side of the brain, and are connected by nerves. Together, these brain regions and their connections form a network that provides the hardware for language in the brain.
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Damage to the brain's frontal lobe is known to impair one's ability to think and make choices. And now scientists say they've pinpointed the different parts of this brain region that preside over reasoning, self-control and decision-making.