Unit 3: Biological Bases of Behavior 3B: The Brain 1. Lesion- Tissue destruction; a brain lesion is a naturally or experimentally caused destruction of brain tissue. 2. Electroencephalogram (EEG)- An amplified recording of the waves of electrical activity that sweep across the brain’s surface. These waves are measured by electrodes placed on the scalp. 3. Computed Tomography (CT)- Series of X-ray photographs taken from different angles and combined by computer into a compsite representation
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Part I Note: Parts II and III follow below‚ complete all three. Write a 350- to 700-word response to the following: Explain the communication process of neurons in the brain. List some common neurotransmitters and describe their effect on behavior. There are 2 neurons afferent neurons these carry messages to the central nervous system. Efferent neurons carry messages from the central nervous system. Neurons communicate through voltage changes. This can sometimes lead to quick action reaction
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goals. The Brain The brain is compiled of two different major cores‚ the inner core and the outer core. The inner core can be separated into four areas‚ frontal‚ temporal‚ parietal and occipital regions. The outer core is one continuous cover on the left and right hemispheres of the brain. Inner Core The frontal lobe‚ located in the front of the forehead is the main control center for all of the muscles throughout the entire body. On top of that‚ it also is the master control
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degenerative diseases such as parkinsons‚ brain development problems such as autism‚ blood flow issues including stroke and infection by bacteria and viruses. One of the pioneers of brain injury research was Pierre Paul Broca who reported inferior frontal gyrus impairments lead to a loss of ability to produce language after injury to this area. Since then‚ the approximate region he identified has become known as Broca’s area‚ and the deficit in language production as Broca’s aphasia. Another prominent
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Abnormal activity in temporal lobes is usually due to past head trauma‚ infections‚ lack of oxygen‚ exposure to toxins‚ or can be inherited. SPECT findings‚ decreased activity in the temporal lobes‚ and at times excessive increased activity. Even though the six types have some commonality of symptoms‚ each type has its own set of symptoms and specific treatments
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Chapter 3 review components of a neuron (i.e.‚ dendrites‚ axons‚ terminal buttons) dendrites A branched fiber that extends outward from the main cell body and carries information into the neuron. axon In a nerve cell‚ an extended fiber that conducts information from the soma to the terminal buttons. Information travels along the axon in the form of an electric charge called the action potential. terminal buttons Tiny bulblike structures at the end of the axon‚ which contain neurotransmitters
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anterior and largest portion of the brain. The forebrain includes the central hemispheres‚ that includes the limbic system‚ thalamus‚ hypothalamus and the callosum. Each of the hemispheres are divided into four lobes. Frontal‚ parietal‚ occipital and temporal are the four lobes. The forebrain controls cognitive functioning. The cognitive functions are: sensory and motor function‚ temperature regulating‚ reproductive‚ eating‚ sleeping‚ and displays emotions. In 1848 an unforeseen accident
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to have it be checked out. Behavioral issues is a sign of Frontotemporal Dementia. Understanding more about FTD could help determine whether or not you are affected by it. Frotntotemporal Dementia‚ FTD‚ is a type of dementia that affects the frontal lobes of the brain. The nerve cell damage that leads to loss of function in these brain regions‚ which variably cause worsening in their behavior and personality‚ language disturbances‚ or alterations in muscle or motor functions‚ is caused by FTD (Frontotemporal
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Chapter 2 Brain and Behavior The cerebral cortex outer layer of the cerebrum has the two largest hemispheres that covers the upper part of the brain which are divided into smaller portion called lobes. Corticalization is an increase in size of the wrinkling of the cortex and without this we would not be any smarter than any other animal. Cerebral hemispheres are divided into right and left halves of the cortex connected by thick band axon fibers called corpus. Hemispheric specialization‚ testing
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Associate Level Material Appendix C Brain Response of Behavior Part I Note: Parts II and III follow below‚ complete all three. Write a 350- to 700-word response to the following: Explain the communication process of neurons in the brain. List some common neurotransmitters and describe their effect on behavior. Neurons are electrically excitable cells found in the nervous system‚ which is mainly responsible in the transmission of information between the neurons and the cells
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