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Neuroscience
Any of the sciences that deal with the functions of the human nervous system and brain -- perception, memory, consciousness and learning.
1,771 Questions
How does the nervous system work with the respiratory system?
The nervous system plays a role in controlling the rate and depth of breathing through signals sent to the respiratory muscles. Nerves in the brainstem regulate automatic breathing, while the somatic nervous system controls voluntary control of breathing. Feedback from the respiratory system also influences the nervous system's regulation of breathing.
A psycho-neurologist is a medical professional who specializes in the study of the relationship between the brain and behavior, emotions, and mental health. They may utilize techniques from both neurology and psychology to understand neurological disorders that affect mental health.
What is the correct route a message takes within a neuron?
Well, isn't that just a happy little question! When a message travels within a neuron, it starts at the dendrites, moves through the cell body, and then down the axon. Finally, it reaches the axon terminals where it can pass on to the next neuron. Just like painting a beautiful landscape, each step is important in creating a masterpiece of communication in our brains.
What would happen if the spindle fibers did not form in a cell that is undergoing mitosis?
If the spindle fibers did not form in a cell undergoing mitosis, the chromosomes would not be able to properly align and separate during cell division. This could lead to uneven distribution of genetic material, resulting in daughter cells with an abnormal number of chromosomes. This condition, known as aneuploidy, can lead to genetic disorders and cell death. Overall, the absence of spindle fibers would disrupt the precise process of mitosis, potentially causing significant cellular dysfunction.
Except for people with certain personality disorders, everyone can feel empathy. Those who claim to be empaths, however, take it to another level entirely. They say they can literally feel what is going on in someone else's body in their own.
It's a pretty extraordinary claim, and as such, it hasn't been conclusively proven, though there are studies that show some people are naturally more empathetic than others. For example, there's a phenomenon called mirror-touch synaesthesia in which someone who sees a person being touched feels that touch on their own skin.
On the whole, though, the levels of empathy empaths purport to possess aren't fully proven.
How do neurotransmitters initiate action potentials?
Neurotransmitters bind to specific receptors on the postsynaptic neuron, leading to changes in the membrane potential and potentially causing depolarization. If the depolarization reaches a threshold, it triggers the opening of voltage-gated ion channels, allowing sodium ions to flow into the cell, generating an action potential. This electrical signal then propagates along the neuron's axon to transmit information to other neurons.
Are neurotransmitters that depress the resting potential called excitatory?
No, neurotransmitters that depress the resting potential are called inhibitory neurotransmitters. Excitatory neurotransmitters have the opposite effect, causing depolarization and increasing the likelihood of an action potential.
What slows down the functioning of the Central Nervous System?
Factors that can slow down the functioning of the central nervous system include alcohol and drug consumption, lack of sleep, certain medications, dehydration, and neurological disorders like multiple sclerosis.
What are neurobehavioral effects?
Neurobehavioral effects refer to changes in behavior or cognitive functioning that are associated with alterations in the nervous system. These effects can result from various factors such as brain injury, disease, or the influence of substances like medications or drugs on the brain. Neurobehavioral effects can manifest as mood changes, cognitive impairment, or changes in motor function.
How electrical signal exist related with membrane potential and and action potential?
Electrical signals in neurons are related to changes in membrane potential. The resting membrane potential is caused by unequal distribution of ions across the membrane. When stimulated, the membrane potential can change, leading to depolarization or hyperpolarization. Action potentials occur when a threshold level of depolarization is reached, resulting in a rapid and coordinated electrical signal propagation along the neuron.
What is 'Sidewalk Neuroscience'?
'Sidewalk Neuroscience' refers to the practice of studying the brain and behavior in everyday settings outside the lab, often using portable technology to collect data in more naturalistic environments like sidewalks, parks, or public spaces. This approach allows researchers to observe real-world interactions and behaviors that may not be captured in traditional laboratory settings.
Why you choose research as your carrier?
I chose research as my career because I am passionate about exploring new ideas, solving complex problems, and contributing to the advancement of knowledge in my field. Research allows me to continuously learn and grow, collaborate with like-minded individuals, and make a meaningful impact through my work.
Why should choose research as a carrier?
Choosing a career in research can be fulfilling as it allows you to contribute new knowledge to your field, make a positive impact on society, and constantly learn and grow through the process of discovery and problem-solving. It offers opportunities for innovation, collaboration with like-minded individuals, and the chance to address pressing issues facing our world today.
What is the regeneration of action potential called?
The regeneration of action potential is called "propagation." It involves the transmission of the action potential along the length of the neuron's axon.
What are the waste to keep your nervous system healthy?
To keep your nervous system healthy, it's important to maintain a balanced diet rich in fruits, vegetables, whole grains, and lean proteins. Regular physical exercise, sufficient sleep, stress management techniques, and avoiding habits like smoking and excessive alcohol consumption also contribute to nervous system health. Additionally, staying hydrated, managing chronic conditions like diabetes, and protecting yourself from head injuries can help support overall nerve function.
How synapse occurs between 2 neurons?
When an action potential reaches the end of a neuron (presynaptic neuron), it triggers the release of neurotransmitters into the synaptic cleft. These neurotransmitters then bind to receptors on the next neuron (postsynaptic neuron), causing ion channels to open and generate a new action potential. This communication process allows signals to be transmitted from one neuron to another.
What not an antagonistic interaction of the sympathetic nervous system?
An example of a non-antagonistic interaction of the sympathetic nervous system is when it triggers the "fight or flight" response in response to a perceived threat. This response involves simultaneous activation of multiple physiological processes such as increased heart rate, dilated pupils, and release of adrenaline to help the individual respond to the threat effectively.
What characterizes repolarization the second phase of the action potential?
Repolarization is the phase in which the cell membrane potential returns to its resting state after depolarization. This is driven by the efflux of potassium ions, resulting in the membrane potential becoming more negative. Repolarization is essential for the heart to reset and prepare for the next action potential.
Why sensory neuron have one axon?
Sensory neurons have one axon to transmit signals from the peripheral nervous system to the central nervous system. This allows for the efficient relay of sensory information such as touch, pain, and temperature to the brain for processing. Having one axon helps maintain the specificity and accuracy of the sensory signals being conveyed.
