Your Nervous System - Springfield Public Schools
... The cerebrum makes up about 85 percent of the brain’s weight. It consists of several specialized regions that receive messages from sense organs, and control movement, memory, communication, and reasoning. A deep groove divides the cerebrum into left and right hemispheres. The right hemisphere gener ...
... The cerebrum makes up about 85 percent of the brain’s weight. It consists of several specialized regions that receive messages from sense organs, and control movement, memory, communication, and reasoning. A deep groove divides the cerebrum into left and right hemispheres. The right hemisphere gener ...
Nervous system
... Cortex - gray matter on the outer surface of the cerebrum Cerebrum medulla – white matter present next to cortex Cerebral nuclei/ basal nuclei – aggregates of gray matter inside the ...
... Cortex - gray matter on the outer surface of the cerebrum Cerebrum medulla – white matter present next to cortex Cerebral nuclei/ basal nuclei – aggregates of gray matter inside the ...
Chapter 12: The Central Nervous System
... 1. present in one hemisphere only (usually the left) 2. special motor speech area – directs muscles involved in speech production Recently shown to “light up” as we prepare to think or even think about voluntary activities other than speech ...
... 1. present in one hemisphere only (usually the left) 2. special motor speech area – directs muscles involved in speech production Recently shown to “light up” as we prepare to think or even think about voluntary activities other than speech ...
The Brain Tools of Behavioral Neuroscience
... • Both eyes send information to both hemispheres. • Images in the right half of the visual field go to the left hemisphere. • Images in the left half of the visual field go to the right hemisphere. ...
... • Both eyes send information to both hemispheres. • Images in the right half of the visual field go to the left hemisphere. • Images in the left half of the visual field go to the right hemisphere. ...
SUPERIOR VIEW Meninges Dura mater The most superficial meninx
... Located between the corpus callosum and fornix. A two lobed structure covered by the cerebrum. From the sagittal view only a small part of a lobe is visible. A collection of nuclei that function as relay and integration centers for both sensory and motor nerve tracts. Connection between the lobes of ...
... Located between the corpus callosum and fornix. A two lobed structure covered by the cerebrum. From the sagittal view only a small part of a lobe is visible. A collection of nuclei that function as relay and integration centers for both sensory and motor nerve tracts. Connection between the lobes of ...
afaf-el-ansary-king-saud-university-saudi
... glial cells and amidated by GS to the non-toxic amino acid glutamine. Glutamine is then released by glial cells and taken up by neurons, where it is hydrolyzed by glutaminase to form glutamate again, completing the glutamate/glutamine cycle. ...
... glial cells and amidated by GS to the non-toxic amino acid glutamine. Glutamine is then released by glial cells and taken up by neurons, where it is hydrolyzed by glutaminase to form glutamate again, completing the glutamate/glutamine cycle. ...
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... a virtual lesion. B. How the Brain Is Organized The nervous system starts out as a long, hollow tube. Then, three weeks after conception, cells making up the tube start to differentiate into neurons. These neurons begin to develop into the three major parts of the brain: the hindbrain, the midbrain, ...
... a virtual lesion. B. How the Brain Is Organized The nervous system starts out as a long, hollow tube. Then, three weeks after conception, cells making up the tube start to differentiate into neurons. These neurons begin to develop into the three major parts of the brain: the hindbrain, the midbrain, ...
Neuroscience and Counseling: Central Issue for Social Justice
... responses go beyond prejudice as many individuals do not see the poor as humans. Research participants shown the photograph of a homeless man demonstrated brains’ activation patterns in areas that are ―reliably implicated in disgust toward nonhuman objects such as garbage, mutilation, and human wast ...
... responses go beyond prejudice as many individuals do not see the poor as humans. Research participants shown the photograph of a homeless man demonstrated brains’ activation patterns in areas that are ―reliably implicated in disgust toward nonhuman objects such as garbage, mutilation, and human wast ...
The Nervous System
... • Initially, primordial brain has same basic structure as developing spinal cord • Brain flexures produce: – considerable variation in outline of transverse sections at different levels of the brain – position of the gray and white matter (substance) ...
... • Initially, primordial brain has same basic structure as developing spinal cord • Brain flexures produce: – considerable variation in outline of transverse sections at different levels of the brain – position of the gray and white matter (substance) ...
中樞神經系統
... neurons referred to as sensory pathways. Each side of the brain registers sensations from the opposite side of the body. General sensations of the right side of the body are predominantly experienced by the left somatic sensory area. General sensations of the left side of the body are predomin ...
... neurons referred to as sensory pathways. Each side of the brain registers sensations from the opposite side of the body. General sensations of the right side of the body are predominantly experienced by the left somatic sensory area. General sensations of the left side of the body are predomin ...
Chapter 2: The Biological Basis of Behavior
... him to turn it off, he asks why she is just noticing it now when he's had it on for over 20 minutes. Which of the following psychological explanations is the LEAST plausible explanation of what occurred after she opened the door? a. The volume of the music reached the threshold needed to fire her ne ...
... him to turn it off, he asks why she is just noticing it now when he's had it on for over 20 minutes. Which of the following psychological explanations is the LEAST plausible explanation of what occurred after she opened the door? a. The volume of the music reached the threshold needed to fire her ne ...
White matter
... Graded potentials – each small signal from a synapse Excitatory neurotransmitters produce a graded potential that promotes an AP Inhibitory neurotransmitters produce a graded potential that inhibits an AP Integration involves summing up the excitatory and inhibitory signals ...
... Graded potentials – each small signal from a synapse Excitatory neurotransmitters produce a graded potential that promotes an AP Inhibitory neurotransmitters produce a graded potential that inhibits an AP Integration involves summing up the excitatory and inhibitory signals ...
Neuroanatomy: Dissection of the Sheep Brain
... The largest structure in the dorsal view is the cerebral cortex, the covering of the cerebrum. The cortex is folded upon itself, with a number of gyri (hills, one is called a gyrus) and sulci (valleys, one is called a sulcus). The dura mater is the toughest layer of the meninges, and has been remove ...
... The largest structure in the dorsal view is the cerebral cortex, the covering of the cerebrum. The cortex is folded upon itself, with a number of gyri (hills, one is called a gyrus) and sulci (valleys, one is called a sulcus). The dura mater is the toughest layer of the meninges, and has been remove ...
Reflex Arc - TangHua2012-2013
... another neuron. (or an organ). The entire region is called a ____________. Transmission of nerve impulses across a ______________________ is carried out by chemicals called _________________________________ . These substances are stored in vesicles at the end of the axon. __________________________ ...
... another neuron. (or an organ). The entire region is called a ____________. Transmission of nerve impulses across a ______________________ is carried out by chemicals called _________________________________ . These substances are stored in vesicles at the end of the axon. __________________________ ...
Darwin VII after - Ohio University
... Recording axonal spikes from a face-sensitive neuron. Points to Notice: -- This is the right hemisphere, "looking right." -- close-up zoom -- can you name the major lobes? -- rotation to the medial (inside) view ...
... Recording axonal spikes from a face-sensitive neuron. Points to Notice: -- This is the right hemisphere, "looking right." -- close-up zoom -- can you name the major lobes? -- rotation to the medial (inside) view ...
Why Do We Sleep - The Dallas Philosophers Forum
... and some regions of the brain become active, some even more active than when awake. The first parts to become active are involved in autonomic function. Your heart rate and breathing increase for example. Another region that becomes activated – perhaps even more than when awake – is the limbic syste ...
... and some regions of the brain become active, some even more active than when awake. The first parts to become active are involved in autonomic function. Your heart rate and breathing increase for example. Another region that becomes activated – perhaps even more than when awake – is the limbic syste ...
Document
... visual association area someone with damage here would “see” the symbols “C A R” but would have no idea that they mean something ...
... visual association area someone with damage here would “see” the symbols “C A R” but would have no idea that they mean something ...
File
... Dendrites: Branching extensions at the cell body. Receive messages from other neurons. Axon: Long single extension of a neuron, covered with myelin [MY-uh-lin] sheath to insulate and speed up messages through neurons. Terminal Branches of axon: Branched endings of an axon that transmit messages to o ...
... Dendrites: Branching extensions at the cell body. Receive messages from other neurons. Axon: Long single extension of a neuron, covered with myelin [MY-uh-lin] sheath to insulate and speed up messages through neurons. Terminal Branches of axon: Branched endings of an axon that transmit messages to o ...
Lesson 1 - SEL at Meigs
... Let’s look at this slide again of the brain thinking thoughts. This is all the electrical activity. Did you know that your brain is the most complex 3-pound mass in the known universe? Each neuron is connected to between one and one million other cells. Overall in your brain, there are over a tr ...
... Let’s look at this slide again of the brain thinking thoughts. This is all the electrical activity. Did you know that your brain is the most complex 3-pound mass in the known universe? Each neuron is connected to between one and one million other cells. Overall in your brain, there are over a tr ...
Self Assessment Chapter 11 - CM
... signals from skeletal muscles, bones, joints, and skin; also transmits signals from organs of vision, hearing, taste, smell, and balance; sometimes called special sensory division • Visceral sensory division – consists of neurons that transmit signals from viscera (organs) such as heart, lungs, stom ...
... signals from skeletal muscles, bones, joints, and skin; also transmits signals from organs of vision, hearing, taste, smell, and balance; sometimes called special sensory division • Visceral sensory division – consists of neurons that transmit signals from viscera (organs) such as heart, lungs, stom ...
Neuron communication
... level of dopamine!) • Agonists: mimic neurotransmitters when you don’t have enough (ex: Depression is caused by low levels of serotonin.) ...
... level of dopamine!) • Agonists: mimic neurotransmitters when you don’t have enough (ex: Depression is caused by low levels of serotonin.) ...
Chapter Two: Brain and Behavior
... is showing a shift as you change from one thinking activity to another. Now ask the students to consider the following questions: Is this an example of their minds studying their brains, or can they adequately explain it as the brain studying itself? One-Minute Motivator 2.6: Surface Areas of the Co ...
... is showing a shift as you change from one thinking activity to another. Now ask the students to consider the following questions: Is this an example of their minds studying their brains, or can they adequately explain it as the brain studying itself? One-Minute Motivator 2.6: Surface Areas of the Co ...
Brain and Behavior
... is showing a shift as you change from one thinking activity to another. Now ask the students to consider the following questions: Is this an example of their minds studying their brains, or can they adequately explain it as the brain studying itself? One-Minute Motivator 2.6: Surface Areas of the Co ...
... is showing a shift as you change from one thinking activity to another. Now ask the students to consider the following questions: Is this an example of their minds studying their brains, or can they adequately explain it as the brain studying itself? One-Minute Motivator 2.6: Surface Areas of the Co ...
Central Nervous System
... Acknowledgement: Picture of model from Mentone Educational Centre B13 ...
... Acknowledgement: Picture of model from Mentone Educational Centre B13 ...
Central Nervous System - Amudala Assistance Area
... Acknowledgement: Picture of model from Mentone Educational Centre B13 ...
... Acknowledgement: Picture of model from Mentone Educational Centre B13 ...
Brain
The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. Only a few invertebrates such as sponges, jellyfish, adult sea squirts and starfish do not have a brain; diffuse or localised nerve nets are present instead. The brain is located in the head, usually close to the primary sensory organs for such senses as vision, hearing, balance, taste, and smell. The brain is the most complex organ in a vertebrate's body. In a typical human, the cerebral cortex (the largest part) is estimated to contain 15–33 billion neurons, each connected by synapses to several thousand other neurons. These neurons communicate with one another by means of long protoplasmic fibers called axons, which carry trains of signal pulses called action potentials to distant parts of the brain or body targeting specific recipient cells.Physiologically, the function of the brain is to exert centralized control over the other organs of the body. The brain acts on the rest of the body both by generating patterns of muscle activity and by driving the secretion of chemicals called hormones. This centralized control allows rapid and coordinated responses to changes in the environment. Some basic types of responsiveness such as reflexes can be mediated by the spinal cord or peripheral ganglia, but sophisticated purposeful control of behavior based on complex sensory input requires the information integrating capabilities of a centralized brain.The operations of individual brain cells are now understood in considerable detail but the way they cooperate in ensembles of millions is yet to be solved. Recent models in modern neuroscience treat the brain as a biological computer, very different in mechanism from an electronic computer, but similar in the sense that it acquires information from the surrounding world, stores it, and processes it in a variety of ways, analogous to the central processing unit (CPU) in a computer.This article compares the properties of brains across the entire range of animal species, with the greatest attention to vertebrates. It deals with the human brain insofar as it shares the properties of other brains. The ways in which the human brain differs from other brains are covered in the human brain article. Several topics that might be covered here are instead covered there because much more can be said about them in a human context. The most important is brain disease and the effects of brain damage, covered in the human brain article because the most common diseases of the human brain either do not show up in other species, or else manifest themselves in different ways.