Answer:
entorhinal cortex and hippocampus
Explanation:
At first, Alzheimer's disease typically destroys neurons and their connections in parts of the brain involved in memory, including the entorhinal cortex and hippocampus. It later affects areas in the cerebral cortex responsible for language, reasoning, and social behavior.
Answer:
What you eat is closely linked to your health. Balanced nutrition has many benefits. By making healthier food choices, you can prevent or treat some conditions. These include heart disease, stroke, and diabetes. A healthy diet can help you lose weight and lower your cholesterol, as well. Exercise can help prevent heart disease, stroke, diabetes, and colon cancer. It can help treat depression, osteoporosis, and high blood pressure. People who exercise also get injured less often. Routine exercise can make you feel better and keep your weight under control. Try to be active for 30 to 60 minutes about 5 times a week. Remember, any amount of exercise is better than none. Smoking and tobacco use are harmful habits. They can cause heart disease and mouth, throat, or lung cancer. They also are leading factors of emphysema and chronic obstructive pulmonary disease (COPD). The sooner you quit, the better.
Answer:
Mental health refers to our cognitive, behavioral, and emotional well being - it is all about how we think, feel, and behave. The term 'mental health' is sometimes used to mean an absence of a mental disorder.
Explanation:
Mental health can affect daily life, relationships, and even physical health. Mental health also includes a person's ability to enjoy life - to attain a balance between life activities and efforts to achieve psychological resilience.
Answer:
b. The rats press the lever least when cocaine is presented.
Explanation:
Reinforcement or reward refers to the physiological processes by which a given behavior, such as drug use, becomes habitual. This occurs when neurons release the neurotransmitter dopamine to the nucleus accumbens (NAc) after drug use.
In tobacco, nicotine is the main component triggering of the reinforcement. Once inside the brain, nicotine activates nicotinic receptors, which in turn contributes to the reinforcement mechanism. Following repeated exposure to nicotine, a neuroadaptation process is established for some (but not all) effects of nicotine. Increased brain nAChRs (acetylcoline receptors) are observed in response to desensitization of these nicotine-mediated receptors. This desensitization can play an important role in the development of tolerance and dependence.
The fact that nicotine is a weak reinforcer, means that maybe the rat already had an neuroadaptation with this drug, not feeling anything with this drug anymore, and thats why he would prefer other drug, like cocaine, pressing the lever of nicotine less often.
Answer:
adapts to repeated demands
Explanation:
