Chapter 2 Neuroscience And Behavior? All Answers

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AP Psy Ch 2 Neuroscience and Behavior

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What is brain plasticity?

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Neural plasticity, also known as neuroplasticity or brain plasticity, can be defined as the ability of the nervous system to change its activity in response to intrinsic or extrinsic stimuli by reorganizing its structure, functions, or connections.

What is brain plasticity simple definition?

Neural plasticity, also known as neuroplasticity or brain plasticity, can be defined as the ability of the nervous system to change its activity in response to intrinsic or extrinsic stimuli by reorganizing its structure, functions, or connections.

What is an example of brain plasticity?

One example of brain plasticity is recovery after a stroke or a traumatic brain injury, such as a blow to the head. These conditions can cause nerve cell death due to a lack of blood flow to the brain. Nerve cell tissue is famous for not being able to regenerate or grow back well.

What causes brain plasticity?

Neuroplasticity occurs as a result of learning, experience and memory formation, or as a result of damage to the brain. Learning and new experiences cause new neural pathways to strengthen whereas neural pathways which are used infrequently become weak and eventually die. This process is called synaptic pruning.

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What does plasticity mean in psychology?

Plasticity refers to the brain’s malleability or ability to change; it does not imply that the brain is plastic. Neuro refers to neurons, the nerve cells that are the building blocks of the brain and nervous system. Thus, neuroplasticity allows nerve cells to change or adjust.

What are the parts of a neuron?

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A neuron has a cell body, which includes the cell nucleus, and special extensions called axons (pronounced AK-sonz) and dendrites (pronounced DEN-drahytz). Bundles of axons, called nerves, are found throughout the body. Axons and dendrites allow neurons to communicate, even across long distances.

What are the 7 parts of a neuron?

Parts of a Neuron
  • Dendrites. Dendrites are the tree-root-shaped part of the neuron which are usually shorter and more numerous than axons. …
  • Soma (Cell Body) The soma, or cell body, is essentially the core of the neuron. …
  • Axon. …
  • Myelin Sheath. …
  • Axon Terminals.

What are the major 4 parts of the neuron?

A neuron has 4 basic parts: the dendrites, the cell body (also called the “soma”), the axon and the axon terminal.

What are the 10 parts of neuron?

Structure of a neuron
  • Nucleus. It is the central part of the neuron. …
  • Dendrites. Dendrites are the “arms of the neuron”, they form branch extensions that come out of different parts of the neuron. …
  • Cell body. This is the part of the neuron that includes the nucleus. …
  • Glial cells. …
  • Myelin. …
  • Axon terminal. …
  • Node of Ranvier. …
  • Axon.

What are the 5 parts of a neuron and their functions?

Following are the different parts of a neuron:
  • Dendrites. These are branch-like structures that receive messages from other neurons and allow the transmission of messages to the cell body.
  • Cell Body. …
  • Axon. …
  • Synapse.
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Does the brain act as a unified whole?

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Although your brain works as a unified whole, neuroscientists can identify areas within it that perform specific functions. Your brain is organized into three interconnected layers: the central core, limbic system, and cerebral cortex, all of which contain structures that regulate everyday life.

Does the brain function as a whole?

It is important to understand that the brain functions as a whole by interrelating its component parts. The injury may only disrupt a particular step of an activity that occurs in a specific part of the brain.

Is the entire brain interconnected?

The brain’s hemispheres are highly interconnected and work together for complex processing.

How does the brain stay together?

The two sides of the brain are joined at the bottom by the corpus callosum. The corpus callosum connects the two halves of the brain and delivers messages from one half of the brain to the other. The surface of the cerebrum contains billions of neurons and glia that together form the cerebral cortex.

Is the human brain equivalent to a computer?

The brain is a biological organ, and not a digital computer. Neuroscience has discovered that while the brain mediates between the body and the environment, it does not command the body.

How is nervous system related to Behaviour?

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Your nervous system guides almost everything you do, think, say or feel. It controls complicated processes like movement, thought and memory. It also plays an essential role in the things your body does without thinking, such as breathing, blushing and blinking.

What part of the nervous system controls behavior?

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The limbic system is a group of interconnected structures located deep within the brain. It’s the part of the brain that’s responsible for behavioral and emotional responses.

What role does the nervous system play in your behaviors and mental activity?

It guides everyday activities such as waking up; automatic activities such as breathing; and complex processes such as thinking, reading, remembering, and feeling emotions. The nervous system controls: Brain growth and development. Sensations (such as touch or hearing)

How does the central nervous system control behavior?

Neurons, or nerve cells, connect with each other in order to send and receive messages in the brain and spinal cord. Neurons work together to transmit sensory information to the brain and are responsible for making decisions, emotions, and muscle activity.

How does the nervous system influence personality?

Both voluntary movements, such as speech and walking, and involuntary movements, such as blinking and breathing, are regulated. It is the center of our emotions, perceptions, and feelings and behavior as well. Therefore, the central nervous system affects human behavior.



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