Q1. Match the following terms with their correct definitions:

• Central nervous system

• Peripheral nervous system

• Somatic nervous system

• Autonomic nervous system

• Sympathetic nervous system

• Parasympathetic nervous system

• Neuron

• Glia

• Stem cells

• Synapse

• Action potential

• Neurotransmitter

• Hormones

• Endocrine glands

• Endorphins

• Localization of function

• Plasticity

Background

Topic: Biological Bases of Behavior

This question tests your understanding of key vocabulary related to the nervous system, neurons, hormones, and brain function. These terms are foundational for understanding how the brain and body communicate and adapt.

Key Terms and Concepts:

• Central nervous system (CNS): The brain and spinal cord; controls most functions of the body and mind.

• Peripheral nervous system (PNS): All nerves outside the CNS; connects CNS to limbs and organs.

• Somatic nervous system: Controls voluntary movements of skeletal muscles.

• Autonomic nervous system: Regulates involuntary bodily functions (e.g., heart rate, digestion).

• Sympathetic nervous system: Prepares the body for 'fight or flight' responses.

• Parasympathetic nervous system: Calms the body and conserves energy ('rest and digest').

• Neuron: A nerve cell; the basic unit of the nervous system.

• Glia: Support cells for neurons; provide nutrients, remove waste, and help with myelination.

• Stem cells: Undifferentiated cells that can develop into specialized cells.

• Synapse: The junction between two neurons where communication occurs.

• Action potential: An electrical impulse that travels down a neuron.

• Neurotransmitter: Chemical messenger released at synapses.

• Hormones: Chemical messengers released by endocrine glands into the bloodstream.

• Endocrine glands: Organs that secrete hormones (e.g., pituitary, adrenal).

• Endorphins: Natural painkillers produced by the body.

• Localization of function: Specific areas of the brain are responsible for specific functions.

• Plasticity: The brain's ability to change and adapt as a result of experience.

Step-by-Step Guidance

1. Review each term and its definition in your textbook or class notes. Make sure you understand what each term means and how it relates to the nervous system and brain function.

2. For each term, try to recall an example or context where it is used. For instance, think about how the sympathetic nervous system activates during stressful situations.

3. Match each term to its definition by identifying key words or phrases that distinguish it from others. For example, "voluntary movement" is a clue for the somatic nervous system.

4. Pay attention to terms that are easily confused, such as "neuron" vs. "glia" or "sympathetic" vs. "parasympathetic." Review their functions and roles.

5. Once you have matched most terms, double-check your answers by cross-referencing with your textbook or reliable sources.

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Q2. Share an activity that has caused your neurons to fire together and wire together. Name the brain parts most likely involved in that activity.

Background

Topic: Neural Plasticity and Brain Function

This question tests your understanding of how learning and practice can change the brain, a concept known as neural plasticity. It also asks you to identify which brain regions are involved in a specific learned activity.

Key Terms and Concepts:

• Neural plasticity: The brain's ability to reorganize itself by forming new neural connections.

• "Fire together, wire together": Refers to Hebb's rule, which states that neurons that activate simultaneously strengthen their connections.

• Brain regions: Different activities involve different parts of the brain (e.g., motor cortex for movement, hippocampus for memory).

Step-by-Step Guidance

1. Think of an activity you have learned and practiced repeatedly (e.g., playing an instrument, riding a bike, typing).

2. Reflect on how this activity required your brain to coordinate movements, remember steps, or process information.

3. Identify the main brain regions involved. For example, motor skills often involve the motor cortex, cerebellum, and basal ganglia; memory tasks involve the hippocampus.

4. Describe how repeated practice led to stronger neural connections, making the activity easier over time.

5. Prepare to write a short paragraph explaining the activity, the process of learning, and the brain regions involved.

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