Exam 1, Psych 1 Who are they and what are they known for? 2 Define and give exam

Question

Exam 1, Psych 1 Who are they and what are they known for? 2 Define and give examples: Independent Variable, Depondent va Confounding Variable, operational definition, double blind, consent 3. The scientific method- Create an experiment clearly stating each of the following parts Theory, hypothesis, definitions, replication issues, statistical significance, experimental groups, control group(s) 4. Name and describe the parts of the neuron and their function 5. Describe the neural impulse in detail 6. Name all the parts of the brain stem and their function 7. Explain the conclusions of the harlows monkey experiment and contrast it with Maslows Hierarchy of needs 8. What is an Agonist? 9. What is the role of the Sympathetic Nervous system? Strss cadto 10. Describe the basics of the Endocrine system- the major parts, the hormones involved, the action of the hormones m m bolonc 11. What is the difference between bottom up and top down processing define. Gixc an ciampie to get fuil prit Poarhrag in. "hu beir (oron dei 12. Name the Four lobes of the brain and their function. 13. Name the four stages of Piaget and give examples

Explanation / Answer

4. Neurons are the basic building blocks of the nervous system. These specialized cells are the information-processing units of the brain responsible for receiving and transmitting information. Each part of the neuron plays a role in communicating information throughout the body. The important parts of Neurons are;

Dendrites- Dendrites are tree-like extensions at the beginning of a neuron that help increase the surface area of the cell body. These tiny protrusions receive information from other neurons and transmit electrical stimulation to the soma.

Soma- The soma, or cell body, is the neuron’s control center.It contains the nucleus and other organelles which are necessary for neuron’s survival.

Axon – The Axons are the long, tail like fibers that extends from the soma. Their function is to send information to other neurons.Axons cn be thought of as Neuron’s information senders.

5. The sending of message from one neuron to next is called Neuron impulse.

6. The Medulla, Pons and the midbrains are the components of brain stem. Midbrains involves in the processes such as hearing, vision, eye movement and body movement. Medulla involves in maintaining vital body functions such as breathing and heart rate. The Pons involved in the motor control and sensory analysis.

8. An agonist is a substance which initiates a physiological response when combined with a receptor.

9. The sympathetic nervous system (SNS) is a part of the autonomic nervous system, an extensive network of neurons that regulate the body’s involuntary processes. It regulates body temperature, both by mobilizing fat reserves to enhance heat production and by changing blood flow to the skin.

The SNS can also stimulate sweat glands to cool the body down. Additionally, the sympathetic nervous system regulates minute changes to the cardiovascular system. It can even modulate circadian rhythms and there is usually a surge of SNS activity during the transition from sleep towards awakening.

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