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Handbook of EEG interpretation - part 3 ppsx

Handbook of EEG interpretation - part 3 ppsx

Handbook of EEG interpretation - part 3 ppsx

... 1. 5- to 3. 0-Hz delta in a 66-year-old manwith encephalopathy that was unresponsive. The above example of EEG is rep-resentative of the entire record. No reactivity was noted during the EEG. Continuous ... Nonepileptiform EEG 63 ADDITIONAL RESOURCESAbou-Knalil B, Misulis KE. Atlas of EEG and Seizure Semiology. ButterworthHeinemann, Philadelphia, 2006:1–2 13. Benbadis SR, Tatum WO. Overinterpretation of EEGs ... the absence of IEDs inthe scalp EEG compared to the intracranial EEG where they occur at 1/sec. It is often said that a normal interictal EEG does not exclude a clin-ical diagnosis of epilepsy....
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The Oxford Handbook of Cognitive Linguistics Part 3 ppsx

The Oxford Handbook of Cognitive Linguistics Part 3 ppsx

... of Pro-ject SCALA, which pioneered a cognitive semantic-based approach to languageacquisition and development, focusing on the cross-linguistic and cross-culturalstudy of the development of ... chair of Dutch Linguistics at the Uni-versity of Leiden since 1998. He received his PhD at the Free University of Am-sterdam on a study of word order, presenting an account in terms of perceptualindependence ... chris sinha (PhD 1988) is professor of psychology of language in the Department of Psychology, University of Portsmouth, United Kingdom. His first degree was indevelopmental...
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Handbook of EEG interpretation - part 1 ppt

Handbook of EEG interpretation - part 1 ppt

... absolute electrographic sites of maximal nega-tivity (or positivity) by phase reversals (Figure 1.3A). Normal EEG 7Fp1-F7F7-T3T3-T5T5-O1Fp1-RefF7-RefT3-RefT5-RefO1-RefABFIGURE 1.7. Eye ... bibliographical references and index.ISBN- 13: 97 8-1 - 933 86 4-1 1-2 (pbk. : alk. paper)ISBN-10: 1-9 33 86 4-1 1-7 (pbk. : alk. paper)1. Electroencephalography—Handbooks, manuals, etc. I. Tatum, William ... interpretation of one’s “brainwaves.” Wehave written Handbook of EEG Interpretation to fit into the lab coatpockets of all health care professionals who need access to quick, reli-able EEG...
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Handbook of EEG interpretation - part 2 pdf

Handbook of EEG interpretation - part 2 pdf

... interferewith EEG and produce an artifact typically in all the channels duringrecording. Normal EEG 27FIGURE 1 .33 . Photic driving at 20 Hz seen in the P3-O1, P4-O2, T5-O1,and T6-O2 derivations.Intermittent ... voltages of >75 µV, while stage 4consists of delta present for >50% of the recording.Normal EEG 37 Activation techniques are a useful part of EEG in clinical practice and represent var-ious ... mu-like frequencies are abnormal. CHAPTER 1 30 FIGURE 1.25. Normal frontocentral theta rhythm in an 18-year-old patientwhile awake.Theta rhythms are composed of 4- to 7-Hz frequencies of...
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Handbook of EEG interpretation - part 4 docx

Handbook of EEG interpretation - part 4 docx

... 498GENERALIZED SEIZURESFIGURE 3. 17. A burst of generalized 3. 5-Hz spike-and-slow waves in JME.Spike-and-slow-wave complexes that have a repetition rate of > ;3 Hz are referred to as fast ... fragmentation of thegeneralized discharge in the majority of cases.CHAPTER 3 90FIGURE 3. 20. Slow-spike-and-wave in a patient with Lennox-Gastaut syndrome.Slow-spike(or sharp)-and-wave discharges ... Abnormalities87FIGURE 4 .3. Absence (petit mal) seizure in an 8-year-old boy.During an absence seizure, the EEG demonstrates generalized, reg-ular, synchronous 3- Hz spike-and-wave discharges in the setting of waking...
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Handbook of EEG interpretation - part 5 potx

Handbook of EEG interpretation - part 5 potx

... 2001;18(5):442–455.Verma A, Radtke R. EEG of partial seizures. J Clin Neurophysiol 2006; 23: 33 3 33 9.Westmoreland BF. The EEG findings in extratemporal seizures. Epilepsia1998 ;39 (Suppl 4):S1–S8.CHAPTER ... and limitations of seizure semiology in localizing seizure onset.J Clin Neurophysiol 2006; 23: 3 53 35 7.Tatum WO IV. Long-term EEG monitoring: a clinical approach to electrophys-iology. J Clin ... tracing shows high-frequency, mu-like arcuate wave-forms focally over the left parietal C3-P3 derivations at 10 Hz in the region of a brain tumor. Parietal lobe seizures are often clinically...
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Handbook of EEG interpretation - part 6 ppt

Handbook of EEG interpretation - part 6 ppt

... it is often use-ful to change the paper speed from 10 mm/sec to 30 mm/sec for bet-ter identification of sleep spindles. CHAPTER 6160FIGURE 5. 13. BiPLEDs in a 37 -year-old HIV-positive man ... no significantchange occurs in the C3-A2 channel. Consequently, contemporaryPSG always include at least two EEG channels: C3-A2 or C4-A1 andO1-A2 or O2-A1. Many laboratory use additional channels ... ClinNeurophysiol. 1995;12 :34 3 36 2.Patterns of Special Significance147FIGURE 5.17. A 52-year-old following cardiac arrest 10 days previously.The patient met the clinical criteria for a diagnosis of brain death.Electrocerebral...
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Handbook of EEG interpretation - part 7 potx

Handbook of EEG interpretation - part 7 potx

... termination of the apnea, there isusually a large breath, a body movement, and often an arousal. CHAPTER 6168FIGURE 6 .33 . This is a 30 -sec epoch of REM sleep demonstrating a shift in EEG frequencies ... arousalcan be scored.2. There must be at least 10 sec of sleep between two arousals. 3. There must be at least 3 sec of EEG frequency shift (known as the 3- sec rule).4. An arousal from NREM sleep can ... a 30 -sec epoch showing the start of stage REM andsaw tooth waves.Saw tooth waves (arrows) are 2- to 5-Hz vertex negative sharpwaves that often occur in a series. They can be precursors of...
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Handbook of EEG interpretation - part 8 ppt

Handbook of EEG interpretation - part 8 ppt

... figure above, bursts of 3- and 4-Hz dis-charges (arrows) were noted frequently during the PSG, particularlyin light stages of sleep.Polysomnography205FIGURE 6. 43. This is a 60-sec epoch demonstrating ... respirations.Polysomnography2 13 FIGURE 6.50. This is a 30 -sec epoch demonstrating runs of spikes.Spikes can be difficult to differentiate from artifacts on a PSG dueto the 30 -sec time window and restricted EEG montage. ... first 30 -sec epoch of any stage of sleep. Foreach nap, sleep-onset latency and whether the patient had REM sleepis noted. The mean sleep latency of all the naps is calculated and thenumber of...
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Handbook of EEG interpretation - part 9 ppt

Handbook of EEG interpretation - part 9 ppt

... Practice of Clinical Electroencephalography. 3rd ed.Lippincott Williams & Wilkins, Philadelphia, 20 03: 8 03 832 .Rechtschaffen A, Kales A, eds. A manual of standardized terminology, tech-niques ... P31/N34 forlower) and cortical (N20 for upper, P37 for lower) waveforms are fol-lowed during surgery. SEPs monitor the posterior aspect of spinal cord(dorsal columns) and therefore, are often ... of the surgery, the patient is likely to have post-operative hearing loss. However, the loss of the wave V is not incom-patible with preserved hearing (false-positive). When complete loss of wave...
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