The nervous system is made up of millions of neurons and interconnected nerves that are comparable to a wiring system. The nervous system is composed of the central nervous system (CNS) and the peripheral nervous system (PNS). The nervous system functions like a corporate giant. The CEO is the leader in the CNS and the officers and delegates are the PNS. The CNS gives the commands and the PNS follows the commands. The Central Nervous System The central nervous system (CNS) is
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CHAPTER 1 Topic: The Science of Behaviour Textbook Pages: 4-24 THE NATURE OF PSYCHOLOGY Psychology: The Scientific study of behaviour and the mind. Behaviour: Actions and responses that we can directly observe. Mind: Internal states and processes‚ such as thoughts and feelings‚ that cannot be seen directly and that must be inferred from observable‚ measurable responses. Clinical Psychology: Subfield where psychologists study and treat mental disorders. Cognitive Psychology: Specializes
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engineer the human brain and recreate it at the cellular level inside a computer simulation. The research involves studying slices of living brain tissue using microscopes and patch clamp electrodes. Data is collected about all the many different neuron types. The simulations are carried out on a Blue Gene supercomputer built by IBM‚ hence the name "Blue Brain". Actors Behind the scene Alan Turing (1912-1954) started to build the Brain but ended up with a computer.. In 1952 ‚ Hodgkin & Huxley
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between the end of a muscle and the tendon that attaches to the joint. As muscle contract the amount of collagen being active increases and the neuron branches detect this. Muscle spindles lie encased in the muscle sheath and consist of two bobbin like strictures which are separately innervated by free nerve endings. There are two types of afferent neurons here with varying actions.
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Leger Neurons - Neurons are nerve cells that are located in the nervous system‚ the main function of the neurons is to send and transmit messages so that we may function and move. Dendrite – Are located on neurons and they look like tree shape stems‚ they are what sends the signals out from the neuron and they also receive signals along with sending electrical stimulations to the soma. Synaptic Gap – This is a small gap between the cell membrane and the synapse it separates the neurons and allows
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taken. To understand the structure and function of multipolar neuron‚unipolar and bipolar neurons. Also to identify the structures of a nerve. There are no safety concerns for this lab. Step 1: Relates to Lab Exercise 10/Activity 1‚ 3‚ and 4. Assignment 1: Write a brief description of the three slides (Neuron‚ Spinal Cord Smear and C.S of Myelinated Nerve Fibers) as though you were explaining it to someone who cannot see the slide. Neuron- There is a reddish rounded shape with lighter thin looking
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reason the endocrine and nervous system releases off neurons to help to signal when something is happening. Neurons are the nerve cell that sends signals throughout the nervous and endocrine systems. For example‚ neurons measure body temperature to keep the body in normal range. It also detects negative feedback in the body to counteract a change (colbert2009pg.323). Another example‚ for instance a person burned his hand on an oven‚ the neurons communicates with the nervous system by alerting the
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characteristics. Neurons - Dendrites receive information and send it toward the cell body. - The Cell body makes the material necessary for the neuron’s growth and maintenance. - The Axon carries information from the cell body to other cells. Neurotransmitters Neurotransmitters carry information across the synaptic gap to the next neuron by opening the channel on the receptor site‚ triggering the neuron to fire. Neurotransmitters can also inhibit neurons from firing. - GABA keeps many neurons from firing
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Satellite cells: ii. Schwann cells: c. Neurons i. Special Characteristics: 1. Extreme longevity: 2. Amitotic: 3. High Metabolic Rate: ii. Cell Body: iii. Neuron Processes: 1. Dendrites: 2. Axons: a. Transport Along the Axon: i. Anterograde movement: ii. Retrograde Movement: b. Myelin Sheath: i. Myelination in PNS: ii. Myelination in of CNS: IV. Classification of Neurons a. Structural Classification: i. Multipolar:
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Chapter 1 1. Correct Psychology is the study of behavior andYour answer: mental processes. 2. Correct The processes involved in learning‚ memory‚ sensation‚ perception‚ and cognition are investigated by which type of psychologists?Your answer: experimental 3. Correct The scientific method isYour answer: an approach to gaining knowledge that relies on collecting data and hypothesis testing. 4. Correct Which of the following is NOT one of the enduring issues in psychology?Your answer: the
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