Theta waves generate the theta rhythm, a neural oscillation in the brain that underlies various aspects of cognition and behavior, including learning,...
40 KB (5,280 words) - 05:13, 1 May 2025
Phase precession (redirect from Theta 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
Hippocampus (redirect from Hippocampal theta rhythm)
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...
139 KB (16,119 words) - 06:07, 24 May 2025
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 (3,616 words) - 03:10, 16 December 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...
19 KB (2,208 words) - 10:08, 9 January 2025
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 (3,076 words) - 19:13, 8 April 2025
Neural oscillation (redirect from Brain wave)
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 (10,615 words) - 17:48, 23 May 2025
Median raphe nucleus (section Hippocampal theta waves)
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) - 16:55, 3 December 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 (2,118 words) - 15:12, 8 March 2025
frequency but contains some sharp spikes, called sharp waves of a higher frequency than that of theta. LIA accompanies the small irregular activity state...
4 KB (542 words) - 21:08, 26 April 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 (3,501 words) - 11:45, 18 February 2025
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...
30 KB (3,535 words) - 09:13, 24 May 2025
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 (4,178 words) - 04:29, 20 May 2025
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 (6,281 words) - 14:15, 6 May 2025
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
brain wave pattern to the theta pattern, allowing them to explore how "emotional energy" affects their health, and develop "natural intuition". ThetaHealing...
9 KB (851 words) - 01:49, 14 April 2025
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
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 (2,174 words) - 14:22, 11 February 2025
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...
68 KB (8,252 words) - 04:50, 10 March 2025
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...
48 KB (5,531 words) - 11:08, 15 May 2025
Dipole antenna (redirect from Half wave radiator)
_{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...
89 KB (12,468 words) - 18:50, 18 May 2025
Evanescent field (redirect from Evanescent Wave)
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
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
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...
11 KB (37 words) - 22:14, 6 March 2025
}(r)}{r}}P_{\ell }(\cos \theta ).} In the standard scattering problem, the incoming beam is assumed to take the form of a plane wave of wave number k, which can...
8 KB (1,443 words) - 15:54, 12 March 2025
Non-rapid eye movement sleep (section Slow-wave sleep)
state is sometimes referred to as relaxed wakefulness. Alpha waves disappear and the theta wave appears. People aroused from this stage often believe that...
38 KB (4,724 words) - 22:32, 22 May 2025
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 (2,335 words) - 11:10, 8 January 2025
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 (8,508 words) - 00:53, 6 May 2025
Total internal reflection (category Waves)
2 / n 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 to think...
107 KB (13,479 words) - 08:56, 23 May 2025
Refraction (redirect from Wave refraction)
{\sin \theta _{1}}{\sin \theta _{2}}}={\frac {v_{1}}{v_{2}}}={\frac {n_{2}}{n_{1}}}} Refraction involves two related parts, both a result of the wave nature...
20 KB (2,446 words) - 22:39, 16 April 2025