7 Matching Annotations
  1. Mar 2024
    1. Later discoveries of neuropeptides, neuromodulators, and certain gases have added to the complexity of chemical communication in the brain.

      highlights the increasing complexity understood in brain chemical communication

    2. the neuron doctrine, the hypothesis that the functional unit of the brain is the neuron, also known as a nerve cell

      states that the nervous system comprises individual nerve cells called neurons

    3. the identification of the specific structural unit responsible for these brain functions, the neuron

      emphasizing the neuron's central role in the nervous system

    4. With their high level of detail, MRI and fMRI are often used to compare the brains of healthy individuals to the brains of individuals diagnosed with psychological disorders.

      understanding the brain's role in behavior and cognition

    5. The first image of the brain by CT scan was in 1971 by Godfrey Hounsfield.

      highlighting the use of imaging to locate brain tumors

    6. In 1953, Kleitman and Aserinsky discovered Rapid Eye Movement (REM) using EEG on sleeping subjects.

      foundational in modern sleep studies

    7. In 1924, Hans Berger recorded the first human brain EEG. This machine allowed researchers to study the overall electrical activity of the brain.

      significant advancement in the ability to study brain's electrical activity