Tag: neurodegenerative diseases

  • Subcortical Dementia

    Subcortical Dementia: Definition and Description of Subcortical Dementia: Subcortical dementia is a type of cognitive impairment that primarily involves the subcortical regions of the brain, including the basal ganglia and thalamus. Unlike cortical dementias, which affect the cerebral cortex and tend to lead to prominent memory loss, subcortical dementia often manifests with changes in movement,…

  • Premature Senility Syndrome

    Premature Senility Syndrome: Definition and Description of Premature Senility Syndrome: Premature Senility Syndrome (PSS) is a condition characterized by cognitive decline and memory loss that occurs at an unusually early age, often in individuals under the age of 65. It is not a formally recognized medical diagnosis but rather serves as an umbrella term for…

  • Oculomotor Apraxia, Cogan type

    Oculomotor Apraxia, Cogan type: Definition and Description of Oculomotor Apraxia, Cogan type: Oculomotor Apraxia, Cogan type, is a rare neurological condition that impacts the voluntary control of eye movements. It is characterized by difficulty in initiating or coordinating eye movements, particularly in situations requiring rapid or precise tracking of objects. This condition often results from…

  • Motor Neuron Disease

    Motor Neuron Disease: Definition and Description of Motor Neuron Disease: Motor Neuron Disease (MND) is a group of neurodegenerative conditions that affect the motor neurons in the brain and spinal cord. These neurons are responsible for controlling voluntary muscle movement, and when they degenerate, it leads to muscle weakness, impaired control, and eventually paralysis. The…

  • Apraxia

    Apraxia Definition and Description of Apraxia Apraxia is a neurological speech disorder that affects an individual’s ability to plan and coordinate the movements necessary for speech. This condition is often confused with other speech-related disorders, but its distinguishing characteristic is the inability to execute the correct movements required for speech production, despite the individual having…