Answer:
Neurotransmitters are chemical substances whose objective is to produce proper communication between neurons. For this to take place, there must be an adequate amount of dopamine and norepinephrine. In children with attention deficit hyperactivity disorder, the production of these two neurotransmitters is irregular; on the other hand, low levels of serotonin are related to the appearance and maintenance of obsessive-compulsive disorder.
Explanation:
Attention deficit hyperactivity disorder is one of the disorders linked to insufficient production of the neurotransmitters dopamine and norepinephrine. This deficit of dopamine and norepinephrine causes problems in the regulatory circuits of various areas of the brain: the prefrontal cortex, the corpus callosum, and the basal ganglia. It is characterized by a difficulty in maintaining voluntary attention in the face of activities; on the other hand, low levels of serotonin are related to the appearance and maintenance of obsessive-compulsive disorder. Serotonin is a neurotransmitter involved in various cognitive processes: modulation of mood, learning, memory, physiological responses, etc. Low levels of serotonin produce unusual responses, overexciting activation in the orbitofrontal cortex, affecting thought and behavior.
<u>Answer:</u>
<em>In the ultimate years of the Yankee Civil Warand the Reconstruction Era that followed, Congress repeatedly debated the rights of the numerous former black slaves.</em>
<u>Explanation:</u>
15 Amendment prohibits some rights against the constitution.it absolutely was sanctioned on Feb three, 1870, because the third and last of the Reconstruction Amendments.
After living a troublesome commendation fight, the modification was certified as punctually sanctioned and a part of the Constitution on March thirty, 1870. In the ultimate years of the Yankee Civil Warand the Reconstruction Era that followed, Congress repeatedly debated the rights of the numerous former black slaves.
Crude divorce rate is the ratio of the number of divorces to the average population in a given year. Divorce-marriage ratio is the ratio of the number of divorces to the number of marriages in a given year. Refined divorce rate is the ratio of divorces to the number of married women. Divorce rate is the general term for all of these ratios.
Thus, from the description, the answer is divorce-marriage ratio.