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  2. Bipolar Disorder: 4 Types & What You Need to Know About Them

    www.aol.com/bipolar-disorder-4-types-know...

    Symptoms of Bipolar Disorder. The single most telling symptom of bipolar disorder is the episodic oscillation between high and low mood states — characteristic shifts between depression, normal ...

  3. Mood swing - Wikipedia

    en.wikipedia.org/wiki/Mood_swing

    Mood swings in Premenstrual symptoms (PMS): Episodically at mild to severe degree in the menses period, occur gradually or rapidly, [49] start 7 days before and decrease at the onset of menses. [50] Characterized by angry outbursts, depression, anxiety, confusion, irritability or social withdrawal. [51]

  4. Biology of depression - Wikipedia

    en.wikipedia.org/wiki/Biology_of_depression

    Stress can cause depression and depression-like symptoms through monoaminergic changes in several key brain regions as well as suppression in hippocampal neurogenesis. [124] This leads to alteration in emotion and cognition related brain regions as well as HPA axis dysfunction.

  5. A study identified 6 types of depression. Here’s why ... - AOL

    www.aol.com/news/6-types-depression-found-brain...

    Scientists may be a step closer to that reality, thanks to new research that has identified six subtypes — or “biotypes” — of major depression via brain imaging combined with machine learning.

  6. At-home brain stimulation relieves symptoms of depression ...

    www.aol.com/spicy-buzzing-sensation-home-brain...

    A headset worn at home that zaps the brain with the energy of a 9-volt battery could help relieve symptoms of depression, a new study shows.

  7. Neural oscillation - Wikipedia

    en.wikipedia.org/wiki/Neural_oscillation

    Richard Caton discovered electrical activity in the cerebral hemispheres of rabbits and monkeys and presented his findings in 1875. [4] Adolf Beck published in 1890 his observations of spontaneous electrical activity of the brain of rabbits and dogs that included rhythmic oscillations altered by light, detected with electrodes directly placed on the surface of the brain. [5]

  8. Gamma wave - Wikipedia

    en.wikipedia.org/wiki/Gamma_wave

    For example, human subjects with high depression scores exhibit differential gamma signaling when performing emotional, spatial, or arithmetic tasks. Increased gamma signaling is also observed in brain regions that participate in the default mode network, which is normally suppressed during tasks requiring significant attention. Rodent models ...

  9. Cortical spreading depression - Wikipedia

    en.wikipedia.org/wiki/Cortical_spreading_depression

    Cortical spreading depression (CSD) or spreading depolarization (SD) is a wave of electrophysiological hyperactivity followed by a wave of inhibition. [3] Spreading depolarization describes a phenomenon characterized by the appearance of depolarization waves of the neurons and neuroglia [ 4 ] that propagates across the cortex at a velocity of 1 ...

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