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  2. Sharp waves and ripples - Wikipedia

    en.wikipedia.org/wiki/Sharp_waves_and_ripples

    Stronger excitation from sharp waves results in ripple oscillations, whereas weaker stimulations generate fast gamma patterns. [14] Besides they are shown to be region dependent, ripples that are the fastest oscillations are present in the CA1 region pyramidal cells while gamma oscillations dominate in CA3 region and parahippocampal structures.

  3. Hippocampal replay - Wikipedia

    en.wikipedia.org/wiki/Hippocampal_replay

    Hippocampal replay is a phenomenon observed in rats, mice, [1] cats, rabbits, [2] songbirds [3] and monkeys. [4] During sleep or awake rest, replay refers to the re-occurrence of a sequence of cell activations that also occurred during activity, but the replay has a much faster time scale.

  4. Ripple marks - Wikipedia

    en.wikipedia.org/wiki/Ripple_marks

    The lee side has a steeper slope than the stoss. The lee is always on the back side of the ripple, which is also on the opposite side of where the current flow meets the ripple. The current flows down the lee side. Stoss The stoss is the side of a wave or ripple that has a gentle slope versus a steeper slope.

  5. Ripple - Wikipedia

    en.wikipedia.org/wiki/Ripple

    Ripple marks, as identified in sediments and sedimentary rocks; Ripple (payment protocol), a real-time payment system by Ripple Labs; Ripple control, a form of electrical load management; Various brainwave patterns, including those which follow sharp waves in the hippocampus; Ripple I and Ripple II, 1962 US nuclear bomb tests in Operation Dominic

  6. List of effects - Wikipedia

    en.wikipedia.org/wiki/List_of_effects

    Allee effect (biology) Ambiguity effect (cognitive biases) Anrep effect (cardiology) (medicine) Antenna effect (digital electronics) (electronic design automation) Anti-greenhouse effect (atmospheric dynamics) (atmospheric science) (astronomy) (planetary atmospheres) Askaryan effect (particle physics) Asymmetric blade effect (aerodynamics)

  7. Patterns in nature - Wikipedia

    en.wikipedia.org/wiki/Patterns_in_nature

    Similar patterns of gyri (peaks) and sulci (troughs) have been demonstrated in models of the brain starting from smooth, layered gels, with the patterns caused by compressive mechanical forces resulting from the expansion of the outer layer (representing the cortex) after the addition of a solvent. Numerical models in computer simulations ...

  8. Pulsatile secretion - Wikipedia

    en.wikipedia.org/wiki/Pulsatile_secretion

    Pulsatile secretion is a biochemical phenomenon observed in a wide variety of cell and tissue types, in which chemical products are secreted in a regular temporal pattern. The most common cellular products observed to be released in this manner are intercellular signaling molecules such as hormones or neurotransmitters.

  9. Spatial organization - Wikipedia

    en.wikipedia.org/wiki/Spatial_organization

    Spatial organization can be observed when components of an abiotic or biological group are arranged non-randomly in space. Abiotic patterns, such as the ripple formations in sand dunes or the oscillating wave patterns of the Belousov–Zhabotinsky reaction [1] emerge after thousands of particles interact millions of times.