Compare and contrast the concepts of neuroplasticity and neurogenesis. Explain why they are critical processes in the brain.
What will be an ideal response?
Neuroplasticity is the ability of the brain to change itself in response to experience or damage. Therefore, it mostly occurs in existing brain tissue and involves the strengthening or weakening of connections between neurons. However, neuroplasticity can result in the growth of new neurons. Neuroplasticity plays a critical role in recovery from brain injury or disease. Neurogenesis means "birth of neurons." It is used to describe the thousands of new neurons formed in the brain each day. For these new cells to survive, they must make connections with other cells. One day, our knowledge of neurogenesis may help us bring new treatment to those who suffer from brain injuries or disease. So neurogenesis is the birth of new cells, while neuroplasticity mostly consists of changes in existing cells.
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Which of the following is true of Bronfenbrenner's ecological systems theory of human development?
a) It classifies the linkages between a child's microsystems as the chronosystem. b) It classifies a child's family, school, and peer group as the microsystem. c) It considers the influence of time as the immediate surroundings of a child. d) It considers children as passive recipients of the enculturation and socialization processes.
The sample mean of the difference scores is used to calculate a sample t score in what test?
What will be an ideal response?
When Ricardo took the ACT Assessment this year, he was allowed to use a graphing calculator on the mathematics portion of the exam. His older sister is surprised, because when she took the test 6 years ago, calculators were not allowed for any portion of the exam. This suggests that:
a. it will be difficult to meaningfully compare Ricardo's score with the score his sister obtained b. Ricardo probably earned a higher score on the exam than his sister did c. the current form of the ACT Assessment has poor construct validity d. Ricardo's score is probably less reliable than his sister's score
The membrane at the end of the outer ear, which vibrates in response to sound waves, is the
a. eardrum. c. organ of Corti. b. oval window. d. round window.