'Beta waves' presentation slideshows

EEG & Sleep

EEG & Sleep. EEG: definition. It is record of variations in brain potential It is record of electrical activity of brain/neurons in different phases e.g. during sleep, wakefulness and epilepsy. E.E.G. Carried out by placing electrodes on surface of scalp.

1.31k views • 71 slides

EEG & Sleep

EEG & Sleep. EEG: definition. It is record of variations in brain potential It is record of electrical activity of brain/neurons in different phases e.g. during sleep, wakefulness and epilepsy. E.E.G. Carried out by placing electrodes on surface of scalp.

726 views • 71 slides

Reticular Activating System

Reticular Activating System. Direct Continuous stimulation from lower brain. Intralaminar Nuclei of thalamus. By PET (Positron emission tomography) Scan. Activating-Driving systems of the Brain. Continuous stimulation from lower brain Direct stimulation

1.14k views • 53 slides

671 views • 52 slides

658 views • 52 slides

Physiology of Sleep and EEG

Physiology of Sleep and EEG. Dr. Eman El Eter. Objectives:. Difference between sleep & coma. Why do we sleep? Types of sleep: NREM & REM. EEG waves. Stages of NREM sleep. Importance of REM sleep. Sleep cycle and effect of age. Sleep/awake cycle (Role of SCN).

414 views • 32 slides

Rhythms

Rhythms. Types of Rhythms Circadian: about 24 hours Ultradian: less than 24 hours. Core Body Temperature Variation is related to: Alertness Jet lag. Zeitgeber: time cue Free run rhythm about 25 hours. Rat Free Run.

444 views • 28 slides

Sleep Stages

351 views • 17 slides

The Sleep Cycle

The Sleep Cycle. Unit 3 Lesson 2. Objectives:. Define sleep Identify the main theories of sleep Differentiate between the stages of sleep. Warm Up. Describe two of the five different levels of consciousness we talked about yesterday. What Is Sleep?.

291 views • 16 slides

Consciousness and Its Variations

Consciousness and Its Variations. Awake, nonattentive. 1 second. Alpha waves. Awake, attentive. 1 second. Beta waves. EEG Waves of Wakefulness. Awake, but non-attentive: large, regular alpha waves. Awake and attentive: low amplitude, fast, irregular beta waves. 1 second. Sleep stage 1.

262 views • 13 slides

Sleeping and Dreaming

Sleeping and Dreaming. Electroencephalogram (EEG). Electrodes placed on the scalp provide a gross record of the electrical activity of the brain EEG recordings are a rough index of psychological states. Awake, nonattentive. 1 second. Alpha waves. Awake, attentive. 1 second. Beta waves.

134 views • 13 slides

Sleeping and Dreaming

Sleeping and Dreaming. Electroencephalogram (EEG). Electrodes placed on the scalp provide a gross record of the electrical activity of the brain EEG recordings are a rough index of psychological states. Awake, nonattentive. 1 second. Alpha waves. Awake, attentive. 1 second. Beta waves.

140 views • 13 slides

ADHD and Essential Oils

ADHD and Essential Oils. Terry Friedmann, MD. ADHD. One of the most frequently diagnosed disorders in young children and teenagers Over 3 million children are being treated for ADHD. Treatments include: Ritalin Dexadrine Behavior management Counseling Holistic Approach. Symptoms.

383 views • 12 slides

polysomnograph

polysomnograph. monitor many responses while sleeping. Polysomnograph. brainwaves. heart monitoring. electromyogram (muscle movement). eye movement EOG = electro-oculograph. airflow. EEG. electroencephalograph. EEG -- electroencephalograph. 1. 2. 0. 4. 3. voltage. time (seconds).

243 views • 12 slides