Exam 1 Study guide
Exam 1 Study guide PSYC 3341
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This 3 page Study Guide was uploaded by Alyssa Reyes on Thursday February 12, 2015. The Study Guide belongs to PSYC 3341 at University of Houston taught by Waguspack in Spring2015. Since its upload, it has received 373 views. For similar materials see Physiological Psychology in Psychlogy at University of Houston.
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Date Created: 02/12/15
Exam 1 Study Guide Know the names and have a general idea of the basic functions of the organelles discussed in lecture and in the book Know the four basic types of glial cells discussed in class and the functions they serve in the nervous system Which two are involved in phagocytosis Which one is involved in in ammation Which two are involved in myelination and where Which one is involved in the formation of scar tissue after injury Which one is involved in feeding the neuron glucose and how does this occur see pg 37 in the text 0 Astrocytes microglia oligodendrocytes and Schwann cells 0 Microglia and astrocytes assist in phagocytosis o Microglia involved in in ammation 0 Oligodendrocytes involved in myelination in the central nervous system same with Schwann cells but in Peripheral nervous system Formation of scar tissue 0 Astrocyte responsible in nourishing neurons refer to text page 0 Understand the basics of the blood brain barrier What is its purpose What actually forms the blood brain barrier In which areas is the BBB weak and what purpose does this serve hint we talked speci cally in class about one such area located in the brain stem 0 Blood brain barrier composed of highdensity cells restricting passage of substances from bloodstream maintaining balance of extracellular uid 0 Capillary walls tted tightly together form BBB o It is weak in the area postrema vomiting center What are the two forces that we talked at length about in class that drive ionic ow between the inside and outside of the cell and are responsible for the action potential If I gave you an ion sodium potassium calcium could you tell me which forces would drive it to where in a neuron at rest What about in a neuron that is depolarized ie is currently having an action potential Hint gure 218 should be helpful for this Know the steps in the action potential Understand the stages in order what is happening to different ions at each stage and what is happening to the membrane potential at each stage Understand the three advantages of myelin that we discussed in class Understand how information is conducted between neurons via the process of exocytosis and binding to postsynaptic cells Understand the meanings of terms used to navigate the central nervous system What do the following mean Rostral caudal ventral dorsal lateral medial inferior superior anterior posterior afferent efferent ipsilateral contralateral coronal sagittal midsagittal and horizontal Understand the general functions of each of the cortical lobes and be able to identify the major landmarks that separate them Know the basic functions of the pituitary gland and its relationship to the hypothalamus the information John included on slide 41 of his lecture should be suf cient Generally speaking how does the autonomic nervous system work What neurotransmitters are utilized in pre vs post ganglionic sympathetic neurons Is this also the case for parasympathetic neurons Know the synthesis major pathways receptors and drugs that affect each of the NT systems Ach NE 5HT DA What is CSF Where is it created Be able to trace the path of the CSF through the CNS and know where it exits What are the basic steps involved in neural development What zone do neurons originate from How do they get to where they are going Note you do NOT need to know exact time frames ie at 28 days after conception etc etc What does primary cortex do What does secondary cortex do Where is primary somatosensory ctx visual ctx auditory ctx What about associate ctx for these What problems might you have if these areas were damaged What are the major divisions and structures in the forebrain and what are their functions Hint consult the chart on page 78 What are the two major divisions of the midbrain What are the major structures in each division that we talked about and what are their functions What are the major divisions and structures in the hindbrain and what are their functions What is the difference functionally and location between postsynaptic receptors and auto receptors What is myasthenia gravis How does it produce muscle weakness o Abnormal weakness of muscle caused by defect in the action of actycholine at neuromuscularjunctions How is a postsynaptic potential terminated ie in what two ways are the actions of neurotransmitters stopped What 3 structures comprise the basal ganglia What is the general function of the BG 0 Structures Caudate nucleus Putamen Globus Pallidus o Assists in control and modulation of movement 0 Which parts of the cortex to the LGN and MGN of the Thalamus connect to Why is the thalamus referred to as a quotrelay stationquot 0 In the spinal cord what kind of information is conducted via the dorsal roots What about the ventral roots What are the four vertebral sections 0 What two types of scienti c explanations are commonly used by physiological psychologists What is blind sight Splitbrain Neglect What does each of these conditions tell us about consciousness o Blindsight the inability to see objects in hisher blind eld to accurately reach for them while remaining unconscious of perceiving them 0 Splitbrain Severed corpus callosum disconnected right side of cortex from left No communication between hemispheres o Neglect damaged right parietal ignoring objects located toward their left and left sides of their body 0 Know what the different experimental techniques that we discussed in class are used for the information on the slides is suf cient o Lesions physically chemically or electrically o Staining amp tagging for identifying speci c substances within and outside of cells For verifying the location of a brain lesion we will use one of the simplest a cellbody stain o Stimulation studies activating neurons using chemical or electrical stimulation Electrophysiological measures 0 Genetic studies 0 Diagrams The images that you will need to study have also been uploaded into the Study Guides folder Note that the midsagittal section is not fully labeled but you can nd all the answers that you need on page 88 in gure 318
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