Podcast
Questions and Answers
Where do nerve and glial cells come from and what do they need to survive?
Where do nerve and glial cells come from and what do they need to survive?
- They come from neuroblasts and they need chemoattraction to survive.
- They come from stem cells and they need inducing factors to survive. (correct)
- They come from progenitor cells and they need electrical activity to survive.
- They come from growth cones and they need apoptosis to survive.
What dominates the early development of the nervous system?
What dominates the early development of the nervous system?
- Apoptosis
- Synapse formation (correct)
- Chemical guidance cues
- Electrical activity
How are brain circuits modified as a result of experience?
How are brain circuits modified as a result of experience?
- Through chemoattraction
- Through electrical activity (correct)
- Through neurogenesis
- Through apoptosis
What is neurogenesis?
What is neurogenesis?
What determines axon guidance at the midline of the developing CNS?
What determines axon guidance at the midline of the developing CNS?
What is the difference between peripheral and central nerve regeneration?
What is the difference between peripheral and central nerve regeneration?
Give an example of cortical plasticity in the adult cerebral cortex.
Give an example of cortical plasticity in the adult cerebral cortex.
How do computational theories of memory take into account neurogenesis in the hippocampus?
How do computational theories of memory take into account neurogenesis in the hippocampus?
What determines gene expression in individual cells?
What determines gene expression in individual cells?
Why is each cell's position in early development critical for its fate?
Why is each cell's position in early development critical for its fate?
Which area of the brain primarily consists of interneurons and some integrate in functional networks, but most die?
Which area of the brain primarily consists of interneurons and some integrate in functional networks, but most die?
What is the most prevalent proposed function of adult neurogenesis in the hippocampus?
What is the most prevalent proposed function of adult neurogenesis in the hippocampus?
According to the text, where do we make new neurons in the brain?
According to the text, where do we make new neurons in the brain?
Which of the following is NOT a proposed function of adult hippocampal neurogenesis?
Which of the following is NOT a proposed function of adult hippocampal neurogenesis?
What is the process of separating overlapping or conflicting information called?
What is the process of separating overlapping or conflicting information called?
What is the main function of adult neurogenesis in the olfactory bulb?
What is the main function of adult neurogenesis in the olfactory bulb?
According to the text, where do we find the Sub Ventricular Zone (SVZ)?
According to the text, where do we find the Sub Ventricular Zone (SVZ)?
What is the process of modifying brain circuits as a result of experience during development and in adulthood called?
What is the process of modifying brain circuits as a result of experience during development and in adulthood called?
According to the text, which area of the brain is primarily involved in the generation and survival of nerve cells?
According to the text, which area of the brain is primarily involved in the generation and survival of nerve cells?
True or False: We are born with all the cortical neurons we will ever have.
True or False: We are born with all the cortical neurons we will ever have.
Which of the following is true about neurogenesis during gestation?
Which of the following is true about neurogenesis during gestation?
What is the fate of a neuroblast?
What is the fate of a neuroblast?
What determines the fate of a migrating neuron?
What determines the fate of a migrating neuron?
What are chemoattractants and chemorepellents involved in?
What are chemoattractants and chemorepellents involved in?
What is the role of trophic factors in neurodevelopment?
What is the role of trophic factors in neurodevelopment?
What is the purpose of synapse elimination?
What is the purpose of synapse elimination?
When is activity-mediated influence on the developing brain most consequential?
When is activity-mediated influence on the developing brain most consequential?
What are the two important factors for successful completion of the critical period?
What are the two important factors for successful completion of the critical period?
What is the role of visual experience in the development of visual perception?
What is the role of visual experience in the development of visual perception?
What is the concept of the critical period?
What is the concept of the critical period?
During development, what determines the fate of a migrating neuron?
During development, what determines the fate of a migrating neuron?
Which area of the brain primarily consists of interneurons and some integrate in functional networks, but most die?
Which area of the brain primarily consists of interneurons and some integrate in functional networks, but most die?
What is the main function of adult neurogenesis in the hippocampus?
What is the main function of adult neurogenesis in the hippocampus?
What are chemoattractants and chemorepellents involved in?
What are chemoattractants and chemorepellents involved in?
Which of the following is NOT a category of cues that guide growth cone growth?
Which of the following is NOT a category of cues that guide growth cone growth?
What is the Sanskrit word for guidance?
What is the Sanskrit word for guidance?
What happens when a growth cone is repelled by a molecule called slit?
What happens when a growth cone is repelled by a molecule called slit?
What is the role of trophic factors in neurodevelopment?
What is the role of trophic factors in neurodevelopment?
Which layer of the cortex is established first during development?
Which layer of the cortex is established first during development?
What is the structure called that is created by radial glial cells and serves as a scaffolding during cortical development?
What is the structure called that is created by radial glial cells and serves as a scaffolding during cortical development?
What is the role of the growth cone and filopodia in neuronal differentiation?
What is the role of the growth cone and filopodia in neuronal differentiation?
What are the three types of selection involved in neuronal differentiation?
What are the three types of selection involved in neuronal differentiation?
Which of the following is true about neural progenitor cells?
Which of the following is true about neural progenitor cells?
What happens during the G1 stage of cell division?
What happens during the G1 stage of cell division?
What determines the fate of the two daughter cells during cell division?
What determines the fate of the two daughter cells during cell division?
What is the role of trophic factors in neurodevelopment?
What is the role of trophic factors in neurodevelopment?
During early development, the nervous system relies primarily on intrinsic genetic, cellular, and molecular mechanisms to establish brain regions and neural connections. However, the fine tuning of brain circuits requires what?
During early development, the nervous system relies primarily on intrinsic genetic, cellular, and molecular mechanisms to establish brain regions and neural connections. However, the fine tuning of brain circuits requires what?
What is the purpose of synapse elimination during neurodevelopment?
What is the purpose of synapse elimination during neurodevelopment?
What is the role of trophic factors in neurodevelopment?
What is the role of trophic factors in neurodevelopment?
When does the fine tuning of brain circuits through activity-mediated influence have the most significant impact?
When does the fine tuning of brain circuits through activity-mediated influence have the most significant impact?
Which type of cells have the ability to perpetually generate more stem cells and give rise to the full range of cell classes within the relevant tissue?
Which type of cells have the ability to perpetually generate more stem cells and give rise to the full range of cell classes within the relevant tissue?
What is the main difference between neural stem cells and neural progenitor cells?
What is the main difference between neural stem cells and neural progenitor cells?
When does neurogenesis typically occur during gestation?
When does neurogenesis typically occur during gestation?
What is the process that determines how genes will be expressed in individual cells depending on the exact environment and the competence of the cell?
What is the process that determines how genes will be expressed in individual cells depending on the exact environment and the competence of the cell?
During development, when do babies start babbling and talking?
During development, when do babies start babbling and talking?
According to the text, what are the two important factors for the successful completion of the critical period?
According to the text, what are the two important factors for the successful completion of the critical period?
What is the consequence of not having the correct inputs from the environment during the critical period?
What is the consequence of not having the correct inputs from the environment during the critical period?
What is the consequence of not having the neural capacity to respond during the critical period?
What is the consequence of not having the neural capacity to respond during the critical period?
What is a requirement for a baby to learn to talk, according to the text?
What is a requirement for a baby to learn to talk, according to the text?
What is the role of appropriate influences during the critical period?
What is the role of appropriate influences during the critical period?
