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Neuronal networks in the brain are formed through a process called synaptogenesis, where neurons establish connections with each other via synapses. This process begins during early brain development and continues throughout life, influenced by genetic factors and environmental experiences. Neurons communicate through electrical and chemical signals, leading to the strengthening or weakening of synaptic connections based on activity, a phenomenon known as synaptic plasticity. This dynamic process enables the formation of complex neural circuits that underpin learning and memory.
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Clusters of neuronal cell bodies and dendrites in the brain are called?
Clusters of neuronal cell bodies and dendrites in the brain are called nuclei.
What is a neuronal dropout?
Neuronal dropout refers to the loss of neurons in the brain due to various factors such as aging, neurodegenerative diseases, or injury. This can lead to cognitive decline and impaired brain function. Strategies to promote neuroprotection and neurogenesis can help mitigate neuronal dropout.
What is vital for neuronal survival and ultimately for the brain to develop normally?
neuron
Which word means a chronic brain disorder due to paroxysmal excessive neuronal discharge?
Epilepsy
What type of brain malformation is lissencephaly?
Lissencephaly is part of a spectrum of brain malformations, which are referred to as the agyriapachygyria-band spectrum and are caused by abnormalities in neuronal migration, a critical process in brain development
What causes brain fissures?
Brain fissures, or deep grooves in the cerebral cortex, are primarily formed during the brain's development in the womb. They arise from the complex folding of the brain as it grows and matures, allowing for increased surface area and efficient neuronal connections. Factors such as genetics, environmental influences, and abnormal brain development can contribute to the formation and prominence of these fissures. In some cases, fissures may also be associated with neurological conditions or injuries.
What activities can one do to create neuronal connections in the brain?
Activities such as learning new skills, problem-solving, playing musical instruments, exercising regularly, socializing, and engaging in activities that challenge the brain can help create new neuronal connections in the brain. Stimulating activities that require focus, memory, and attention can also promote neuroplasticity and enhance cognitive function.
Describe how experience can modify the brain?
Experience creates new networks of neurons in the brain.
What are neuronal migration disorders?
a diverse group of congenital brain abnormalities that arise specifically from defective formation of the central nervous system .
How does neuronal firing cause muscle contraction?
When a neuron in a muscle is fired, or triggered, it sends a message to the brain telling the muscle to contract.
What connects the two parts of the brain and consist of gray matter?
The corpus callosum is a broad band of neuronal (nerve) fibers that connect, or join, both hemispheres of the Brain.
What are the characteristics of lissencephaly?
In lissencephaly or agyria, neuronal migration fails globally, causing the brain to appear completely smooth and have abnormal layering in the cortex.
