• Theta waves generate the theta rhythm, a neural oscillation in the brain that underlies various aspects of cognition and behavior, including learning,...
    41 KB (5,321 words) - 04:45, 25 November 2024
  • Thumbnail for Hippocampus
    theta wave are generated mainly by densely packed neural layers of the entorhinal cortex, CA3, and the dendrites of pyramidal cells. The theta wave is...
    129 KB (15,064 words) - 01:09, 22 November 2024
  • brain wave pattern to the theta pattern, allowing them to explore how "emotional energy" affects their health, and develop "natural intuition". ThetaHealing...
    8 KB (857 words) - 02:26, 3 November 2024
  • Thumbnail for Refraction
    Refraction (redirect from Wave refraction)
    the angle of incidence θ 1 {\displaystyle {\theta _{1}}} and angle of refraction θ 2 {\displaystyle {\theta _{2}}} is equal to the ratio of phase velocities...
    21 KB (2,580 words) - 07:38, 8 November 2024
  • electroencephalography (EEG) during which 4–7 Hz (theta wave) activity replaces the waking 8–13 Hz (alpha wave) background rhythm. Some experts define microsleep...
    31 KB (3,617 words) - 20:04, 22 October 2024
  • Thumbnail for Phase precession
    progressively earlier relative to the theta wave, until they again became synchronous with the wave, aligned now with one wave peak earlier than before. O'Keefe...
    13 KB (1,330 words) - 01:20, 5 April 2024
  • This is a list of wave topics. Contents:  Top 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z...
    10 KB (37 words) - 10:52, 7 November 2023
  • Thumbnail for Neural oscillation
    phase of a slow wave is coupled with the amplitude of a fast wave. The theta-gamma code is a coupling between theta wave and gamma wave in the hippocampal...
    90 KB (10,611 words) - 11:58, 2 November 2024
  • In physics, a wave vector (or wavevector) is a vector used in describing a wave, with a typical unit being cycle per metre. It has a magnitude and direction...
    13 KB (2,112 words) - 15:12, 29 October 2024
  • quantum physics Theta representation, a particular representation of the Heisenberg group of quantum mechanics Theta wave, in biology Theta*, a pathfinding...
    2 KB (279 words) - 14:35, 22 May 2024
  • Thumbnail for Delta wave
    heart Delta wave – (0.1 – 4 Hz) Theta wave – (4 – 7 Hz) Alpha wave – (8 – 12 Hz) Mu wave – (7.5 – 12.5 Hz) SMR wave – (12.5 – 15.5 Hz) Beta wave – (16 – 31 Hz)...
    23 KB (3,034 words) - 10:52, 8 October 2024
  • Thumbnail for Sound
    Sound (redirect from Sound wave)
    stimulations over short cyclic time periods, most likely over the duration of theta wave cycles. This means that at short durations, a very short sound can sound...
    37 KB (4,172 words) - 16:12, 31 July 2024
  • Delta wave – (0.1 – 3 Hz) Theta wave – (4 – 7 Hz) Mu wave – (7.5 – 12.5 Hz) SMR wave – (12.5 – 15.5 Hz) Alpha wave – (7 (or 8) – 12 Hz) Beta wave – (12...
    30 KB (3,476 words) - 09:47, 1 November 2024
  • Thumbnail for Fresnel equations
    Fresnel equations (category Polarization (waves))
    = θ i {\displaystyle \theta _{\mathrm {r} }=\theta _{\mathrm {i} }} , and a wave transmitted at angle θ t {\displaystyle \theta _{\mathrm {t} }} . In...
    69 KB (8,311 words) - 21:31, 4 November 2024
  • Thumbnail for Snell's law
    n_{1}\sin \theta _{1}=n_{2}\sin \theta _{2}} Alternatively, Snell's law can be derived using interference of all possible paths of light wave from source...
    27 KB (3,953 words) - 16:14, 26 October 2024
  • deletions/duplications. Delta wave – (0.1 – 3 Hz) Theta wave – (4 – 7 Hz) Alpha wave – (7 – 12 Hz) Beta wave – (12 – 30 Hz) Gamma wave – (30 – 100 Hz) Rassi, Elie; Lin...
    11 KB (1,246 words) - 04:57, 17 September 2024
  • biomarkers PGO waves – Waves propagating between brain regions Delta wave – (0.5 – 3 Hz) Theta wave – (4 – 7 Hz) Alpha wave – (8 – 12 Hz) Mu wave – (7.5 – 12...
    26 KB (3,174 words) - 20:23, 6 November 2024
  • Thumbnail for Diffraction
    dependency on θ {\displaystyle \theta } , hence the wavefront emerging from the slit would resemble a cylindrical wave with azimuthal symmetry; If d ≫...
    50 KB (6,404 words) - 21:46, 17 November 2024
  • Sleep spindle Delta wave – (0.1–4 Hz) Alpha wave – (8–12 Hz) Theta wave – (4–8 Hz) Mu wave – (8–13 Hz) Beta wave – (13–30 Hz) Gamma wave – (25–100 Hz) High-frequency...
    18 KB (2,162 words) - 02:30, 24 October 2023
  • Thumbnail for Papez circuit
    based on theta wave experimentation, some components of the Papez circuit have shown to indeed have a connection and work together. Also, theta waves are thought...
    17 KB (2,176 words) - 04:13, 24 March 2024
  • Thumbnail for Medial septal nucleus
    role in the generation of theta waves in the hippocampus. Specifically, the GABAergic cells of the medial septum that act as theta pacemakers target dentate...
    2 KB (224 words) - 02:20, 17 December 2020
  • Thumbnail for Waveplate
    Waveplate (redirect from Wave Plate)
    alters the polarization state of a light wave travelling through it. Two common types of waveplates are the half-wave plate, which rotates the polarization...
    17 KB (2,325 words) - 14:57, 3 November 2024
  • Thumbnail for Median raphe nucleus
    inhibitory effect on the mechanism for hippocampal theta wave generation. Also, median raphe nucleus suppresses theta bursts of the medial septal area neurons....
    13 KB (1,613 words) - 20:35, 6 November 2024
  • Thumbnail for Dipole antenna
    _{0}^{2\pi }{\frac {\ 1-\cos \theta \ }{\theta }}\ \mathrm {d} \theta \ \approx \ 73.1\ {\mathsf {\Omega }}~.} If a half-wave dipole is driven at a point...
    88 KB (12,392 words) - 19:16, 4 October 2024
  • Thumbnail for Wind wave
    described by the sea wave spectrum or just wave spectrum S ( ω , Θ ) {\displaystyle S(\omega ,\Theta )} . It is composed of a wave height spectrum (WHS)...
    49 KB (6,254 words) - 16:35, 2 November 2024
  • Thumbnail for Sleep paralysis
    sleep Slow-wave Brain waves Alpha wave Beta wave Delta wave Gamma wave K-complex Mu rhythm PGO waves Sensorimotor rhythm Sleep spindle Theta wave Sleep disorders...
    47 KB (5,490 words) - 06:03, 25 November 2024
  • Thumbnail for Total internal reflection
    Total internal reflection (category Waves)
    1 ) , {\displaystyle \theta _{{\text{c}}\!}=\arcsin(n_{2}/n_{1})\,,} and is defined if‍ n2 ≤ n1.  For some other types of waves, it is more convenient...
    109 KB (13,492 words) - 15:52, 25 October 2024
  • Thumbnail for Rapid eye movement sleep
    more readily) than in the NREM deep sleeping brain.: §8.1 232–243  Human theta wave activity predominates during REM sleep in both the hippocampus and the...
    70 KB (8,446 words) - 16:20, 1 October 2024
  • Thumbnail for Sawtooth wave
    Sawtooth wave 5 seconds of 220 Hz sawtooth wave Problems playing this file? See media help. The sawtooth wave (or saw wave) is a kind of non-sinusoidal...
    9 KB (1,110 words) - 16:41, 18 October 2024
  • k_{x}=k_{t}\sin \theta _{t}} and k y = k t cos ⁡ θ t {\displaystyle k_{y}=k_{t}\cos \theta _{t}} , where k t {\displaystyle k_{t}} is the magnitude of the wave vector...
    23 KB (3,164 words) - 17:09, 6 September 2024