Write a note on The Electroencephalograph (EEG)?

1 Answer

Answer :

This device measures electrical activity (brain "waves") that can be detected at the surface of the scalp. It can distinguish between, for example, sleep and excitement. It is also useful in diagnosing brain disorders such as a tendency to epileptic seizures.

Related questions

Description : Write a brief note on EEG?

Last Answer : By placing electrodes on the scalp it is possible to record the summed electrical activity of the cortex, in a technique known aselectroencephalography (FEG). EEG measures mass changes in ... thousandths of a second. EEG recordings have good temporal resolution, but poor spatial resolution.

Description : Write a brief note on MEG?

Last Answer : Apart from measuring the electric field around the skull it is possible to measure the magnetic field directly in a technique known asmagnetoencephalography (MEG). This technique has the same temporal ... dendrites oriented in a way that gives rise to detectable magnetic fields outside the skull.

Description : Write a short note on the damage and diseases of the brain?

Last Answer : The human brain is inclined to many types of damage and disease. The most common forms of physical damage are closed head injuries such as a blow to the head, a stroke, or poisoning by ... at least partially by brain dysfunctions, although the nature of such brain anomalies is not well understood.

Description : Write a short note on hind brain?

Last Answer : The hindbrain extends from the spinal cord and is composed of the metencephalcn andmyelencephalon. The metencephalon contains structures such as the pons and cerebellum. These regions assists in ... is responsible for controlling such autonomic functions as breathing, heart rate, and digestion.

Description : Write a note on Peripheral Nervous System?

Last Answer : The Peripheral Nervous System consists of all the sensory nerves and the motor nerves (these carry messages to other parts of the body from the brain and spinal cord). Sensory nerves ... (sometimes called inter neurons). Sensory, intermediate and motor nerves have gaps between them called synapses

Description : Write a brief note on Brain?

Last Answer : The brain is traditionally divided into three parts, the hindbrain, the midbrain, and the forebrain. This drawing is roughly what it would look like if you sliced your brain straight down the middle, like a part in your hair. The front of the brain is on the left, the back on the right.

Description : Write a short note on Spinal Cord?

Last Answer : The spinal cord runs from the base of the skull all the way down the spine to the "tail bone." The neurons are found in an H-shaped space within the spinal vertebrae. There are motor pathways coming ... movements! All that is needed is the muscle strength to Stanc and, of course, a lot of practice.

Description : Write a note on Magnetoencephalography (MEG)?

Last Answer : MEG detects the tiny magnetic fields created as individual neurons "fire" within the brain. It can pinpoint the active region with a millimeter, and can follow the movement of brain activity ... noninvasive requiring only that the subject's head lie within a helmet containing the magnetic sensors.

Description : Write a note on The Cerebral Hemispheres?

Last Answer : Each hemisphere of the cerebrum is subdivided into four lobes visible from the outside: •frontal • parietal • occipital • temporal

Description : Write a short note on Forebrain?

Last Answer : The anterior most division of the developing vertebrate brain that contains the most complex neural network in the CNS. The forebrain has two major divisions, the lower diencephalon, which contains the thalamus and the hypofhalmus, and the upper telencephalon, which contains the cerebrum.

Description : Write a short note on Midbrain?

Last Answer : This part of the brain is located between the hindbrain and the forebrain making up part of the brain stem. All sensory and motor information going to and from the fore brain and the spinal cord must pass through the midbrain, it can also be refered to as the relay station.

Description : Write a note on the glandular systems?

Last Answer : The body has two types of glandular systems, the endocrine, which generally secrete hormones through the bloodstream, and the exocrene which secrete fluids to the outer surfaces of the body, such as sweating.

Description : Write a short note on nervous system?

Last Answer : The physical structure of the body plays an important role in the behavior of an individual. The most important physical structure for psychologists is the nervous system. The nervous system carries orders ... a: muscles; it also carries signals from stimuli receptors to the spinal cord and brain.

Description : Write a short note on Hindbrain?

Last Answer : The hindbrain is a well protected central core of the brain and includes the cerebellum, reticular formation, and the brain stem. The cerebellum plays an important role in the integration of sensory ... the brain which is involved in stereotypical actions, such as walking, sleeping, and lying down.

Description : Besides epilepsy and seizures have any of you ladies and gentlemen ever got an EEG?

Last Answer : answer:I did a sleep study and my brain waves were all hooked up and measured. Why do you call it extreme? Because you think it is unlikely to show anything? Did he do an MRI already? I assume ... from a thyroid problem. The ranges have been argued for years. Did they check your TSH, T4free and T3?

Description : My 9 year old son will be getting an EEG next month. What can I expect?

Last Answer : answer:Are they going to do a 24 hour EEG? You have to ask how long it will be. Also, I assume you can be with him during it. Possibly they are going to just do a quick one and see what ... . Also, would you treat his epilepsy if he is having seizures with medicine? If not, why bother finding out.

Description : How to keep an infant awake when doctor orders sleep deprivation for EEG?

Last Answer : answer:First up, I wouldn't worry about it until you hear from the pediatric neurologist about the test. It may not even be an issue. Secondly when you have seen the pediatric neuro guy and have the test ... should be able to have a chat, perhaps evn over the phone, to help put your mind at ease.

Description : What is EEG test? -Biology

Last Answer : answer:

Last Answer : EEG - Electro Encephalogram Graph

Last Answer : EEG performed with the help of electroencephalograph .

Description : EEG?

Last Answer : DefinitionAn electroencephalogram (EEG) is a test to detect problems in the electrical activity of the brain.Alternative NamesElectroencephalogram; Brain wave testHow the test is performedBrain cells communicate ... The electrodes are connected by wires to an amplifier and a recording machine.The

Description : EEG is a technique to record the activity of – (1) heart (2) lungs (3) brain (4) muscles

Last Answer : (3) brain Explanation: Electroencephalography (EEG) is the recording of electrical activity along the scalp. EEG measures voltage fluctuations resulting from ionic current flows within the neurons of the brain.

Description : EEG is used to detect the functioning of (1) Heart (2) Lung (3) Kidney (4) Brain

Last Answer : (1) Heart Explanation: The electrocardiogram (ECG or EKG) is a diagnostic tool that measures and records the electrical activity of the heart in exquisite detail. The heart is a two stage electrical ... rhythm of the heartbeat, as well as provide indirect evidence of blood flow to the heart muscle.

Description : EEG records the activity of - (1) heart (2) lungs (3) brain (4) muscles

Last Answer : (3) brain. Explanation: Electroencephalography (EEG) is the recording of electrical activity along the scalp. EEG measures voltage fluctuations resulting from ionic current flows within the neurons of the ... of time, usually 20-40 minutes, as recorded from multiple electrodes placed on the scalp.

Description : EEG records the activity of-----? A. Heart B. Lungs C. Brain (Answer)

Last Answer : C. Brain (Answer)

Description : Select the factor which indicates that withdrawal of the successfully used antiepileptic medication is likely to result in recurrence of seizures: A. Childhood epilepsy B. Partial seizures C. Treatment started soon after seizure onset D. Absence of EEG abnormality

Last Answer : B. Partial seizures

Description : EEG is a technique to record the activity of (1) heart (2) lungs (3) brain (4) muscles

Last Answer : brain

Description : EEG records the activity of (1) heart (2) lungs (3) brain (4) muscles

Last Answer : brain

Description : EEG is used to detect the functioning of (1) Heart (2) Lung (3) Kidney (4) Brain

Last Answer : Heart

Description : Write the names of Cerebral Cortex Lobes?

Last Answer : •Frontal Lobes • Occipital Lobes •Parietal Lobes • Temporal Lobes

Description : Write down the role of Hypothalamus?

Last Answer : The seat of the autonomic nervous system. Damage to the hypothalamus is quickly fatal as the normal homeostasis of body temperature, blood chemistry, etc. goes out of control. The source of 8 hormones, two of which pass into the posterior lobe of the pituitary gland.

Description : Write down the role of Exocrine glands?

Last Answer : Exocrine glands release their secretions into ducts which in turn release them onto the surface of organs. Examples of exocrine glands are sweat glands, salivary glands, mammary glands, etc. ... digestive system while it also contains the Islets of Langerhans which secrete insulin into the blood.

Description : Write down the role of an amygdale?

Last Answer : The amygdala appears to be a center of emotions. It sends signals to the hypothalamus and medulla which can activate the flight or fight response of the autonomic nervous system.

Description : Write down the role of axons?

Last Answer : Axons are organelles that carry information away from the cell body. Axons may be as small as several microns or as long as several meters in giraffes and whales. The axons main job is to send a ... only one axon, but the axon may have branches with what are called terminal buttons at its end.

Description : Write down the role of dendrites?

Last Answer : Dendrites are organelles that sense the neurotransmitter secreted by the axon of another neuron. Most neurons have more than one dendrite. Dendrites and axons do not directly touch each other; there is a gap, called a synapse.

Description : Explain the left hemisphere area related to language?

Last Answer : The first language area within the left hemisphere to be discovered is Broca's area, named after Paul Broca, who discovered the area while studying patients with aphasia, a language disorder. Broca's area doesn't ... the difference between "The boy was hit by the girl" and "The girl hit the boy."

Description : Define the treatment of Muscular Dystrophy ?

Last Answer : There is no specific treatment to stop or reverse any form of MD. Treatment may include physical therapy, respiratory therapy, speech therapy, orthopedic appliances used for support, and ... may need assisted ventilation to treat respiratory muscle weakness and a pacemaker for cardiac abnormalities.

Description : Which area of the brain is related to language?

Last Answer : The two hemispheres are thought to contribute to the processing and understanding of language: the left hemisphere processes the linguistic meaning of prosody (or, the rhythm, stress, and intonation ... brains are capable of adapting to difficult circumstances, if the df.mage occurs early enough.

Description : What are the Effects of brain damage?

Last Answer : A key source of information about the function of brain regions is the effects of damage to them. In humans, strokes have long provided a "natural laboratory" for studying the effects of brain ... often crosses into multiple regions of the brain, not along clear-cut borders, making it difficult to

Description : Explain the Functional divisions of cortex?

Last Answer : Researchers who study the functions of the cortex divide it into three functional categories of regions, or areas. One consists of the primary sensory areas, which receive signals from the sensory ... and are involved in the complex process that we call perception, thought, and decision making.

Description : Explain the structure of cerebral cortex?

Last Answer : The cerebral cortex is essentially a sheet of neural tissue, folded in a way that allows a large surface area to fit within the confines of the skull. Each cerebral hemisphere, in fact, has a ... .3 square feet. Anatomists call each cortical fold asulcus, and the smooth area between folds a gyrus.

Description : What is the dominant feature of human brain?

Last Answer : The dominant feature of the human brain is corticalization. The cerebral cortex in humans is so large that it overshadows every other part of the brain. A few subcortical structures show alterations reflecting this ... the rat and the cat, to more complex ones, such as the chimpanzee and the human.

Description : What are the major tasks of brain?

Last Answer : The brain performs an incredible number of tasks: It controls body temperature, blood pressure, heart rate and breathing. It accepts a flood of information about the world around you from ... skull, suspended in cerebrospinal fluid, and isolated from the bloodstream by the blood-brain barrier.

Description : What is Cerebral Cortex?

Last Answer : •Outer portion (1.5mm to 5mm) of the cerebrum •Receives and processes sensory information •Divided into cerebral cortex lobes

Description : What is Cerebellum?

Last Answer : •Controls movement coordination •Maintains balance and equilibrium

Description : What is Central Sulcus (Fissure of Rolando)?

Last Answer : Central sulcus is a Deep grove that separates the parietal and frontal lobes

Description : Explain the Broca's Area?

Last Answer : Broca's area is related to Speech production and Understanding language

Description : What are the functions of Basal Ganglia?

Last Answer : Basal ganglia is Involved in cognition and voluntary movement and Diseases related to damages of this area are Parkinson's and Huntington's

Description : Explain the mid brain?

Last Answer : The midbrain and the hindbrain together make up the brainstem. The midbrain is the portion of the brainstem that connects the hindbrain and the forebrain. This region of the brain is involved in auditory and visual responses as well as motor function.