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    cognitive deficits tagged posts

    Neuroscientists Identify Mechanism for Long Term Memory Storage

    March 24, 2022, Categories  Biology/Biotechnology, Health/Medical

    People working in Ted Abel’s lab in PBDB.

    A University of Iowa neuroscience research team has identified a fundamental biochemical mechanism underlying memory storage and has linked this mechanism to cognitive deficits in mouse models of Alzheimer’s Disease and Related Dementias.

    While working to understand how memories are formed and stored in the brain, the team identified a novel protein folding mechanism in the endoplasmic reticulum that is essential for long term memory storage. They further demonstrated that this mechanism is impaired in a tau-based mouse model of Alzheimer’s disease and that restoring this protein folding mechanism reverses memory impairment in this mouse model for the study of dementia...

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    Neuroscientists Identify Source of Early Brain Activity

    November 8, 2017, Categories  Biology/Biotechnology, Health/Medical

    This image shows the selective response of a subplate neuron to sounds of different frequencies (horizontal axis) and volume levels (vertical axis). Warmer colors indicate a stronger response. Subplate neurons are among the first neurons to form in the cerebral cortex and were previously thought to serve a primarily structural role in brain development. A new study suggests that these neurons do, in fact, transmit sensory information. This cell only responded to higher frequencies, especially at low volume levels; increased volume expanded the cell's frequency range of response. Prior to this study, the ability of the cortex to selectively respond to certain sounds was thought to emerge later in brain development. Credit: Patrick Kanold

    This image shows the selective response of a subplate neuron to sounds of different frequencies (horizontal axis) and volume levels (vertical axis). Warmer colors indicate a stronger response. Subplate neurons are among the first neurons to form in the cerebral cortex and were previously thought to serve a primarily structural role in brain development. A new study suggests that these neurons do, in fact, transmit sensory information. This cell only responded to higher frequencies, especially at low volume levels; increased volume expanded the cell’s frequency range of response. Prior to this study, the ability of the cortex to selectively respond to certain sounds was thought to emerge later in brain development. Credit: Patrick Kanold

    Brain cells that support early structural development...

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