Psych 115 midterm - Study guides, Class notes & Summaries

Psych 115 Midterm 1 UCLA Exam Questions and Answers 100% Pass What are the three layers of protective layer called? Meninges - Dura Mater (thick outer layer) - Arachnoid (Spongy middle layer) - Pia Mater (thin inner layer) What is the organ that constantly manufactures the CSF? choroid plexus, which resides in hollow tubes and cavities called ventricles Where does the action potential originate? Integration zone (or active zone) What are the three types of neurons? Multipo...

psych 115 midterm 1 UCLA Exam Questions and Answers 100% Pass What is the role of Dorsal root ganglion cells? • DRG = unipolar neurons in peripheral nervous system • Job is to relay somatosensory info from skin to spinal cord Describe a touch stimulus. • Touch to skin generates a receptor potential by opening mechanoreceptor Na channels • Receptor potential passively propagates (flows) to the integration zone • Receptor potential is attenuated (becomes smaller) as it propaga...

Psych 115 Midterm 1 UCLA Exam Questions and Answers 100% Pass What are the three layers of protective layer called? - Answer- Meninges - Dura Mater (thick outer layer) - Arachnoid (Spongy middle layer) - Pia Mater (thin inner layer) What is the organ that constantly manufactures the CSF? - Answer- choroid plexus, which resides in hollow tubes and cavities called ventricles Where does the action potential originate? - Answer- Integration zone (or active zone) What are the three types of ...

Psych 115 Midterm 1 UCLA Exam Questions and Answers 100% Pass What are the three layers of protective layer called? - Answer- Meninges - Dura Mater (thick outer layer) - Arachnoid (Spongy middle layer) - Pia Mater (thin inner layer) What is the organ that constantly manufactures the CSF? - Answer- choroid plexus, which resides in hollow tubes and cavities called ventricles Where does the action potential originate? - Answer- Integration zone (or active zone) What are the three types of ...

psych 115 midterm 1 UCLA Exam Questions and Answers 100% Pass What is the role of Dorsal root ganglion cells? - Answer- • DRG = unipolar neurons in peripheral nervous system • Job is to relay somatosensory info from skin to spinal cord Describe a touch stimulus. - Answer- • Touch to skin generates a receptor potential by opening mechanoreceptor Na channels • Receptor potential passively propagates (flows) to the integration zone • Receptor potential is attenuated (becomes small...

psych 115 midterm 1 UCLA Exam Questions and Answers 100% Pass What is the role of Dorsal root ganglion cells? - Answer- • DRG = unipolar neurons in peripheral nervous system • Job is to relay somatosensory info from skin to spinal cord Describe a touch stimulus. - Answer- • Touch to skin generates a receptor potential by opening mechanoreceptor Na channels • Receptor potential passively propagates (flows) to the integration zone • Receptor potential is attenuated (becomes small...

Psych 115 Midterm 1 UCLA Exam Questions and Answers 100% Pass What are the three layers of protective layer called? Meninges - Dura Mater (thick outer layer) - Arachnoid (Spongy middle layer) - Pia Mater (thin inner layer) What is the organ that constantly manufactures the CSF? choroid plexus, which resides in hollow tubes and cavities called ventricles Where does the action potential originate? Integration zone (or active zone) What are the three types of neurons? Multipo...

PSYCH 115 MIDTERM 2024 EXAM UCLA~ QUESTIONS AND DETAILED CORRECT ANSWERS A+ GRADE What's the difference between the two anatomical pathway labeling techniques? Correct Answer Anterograde Labeling (Forward): Uses radioactive molecules taken up by the cell and then transported to the axon terminals, trace where the neuron is going. Retrograde Labeling (Backwards): It is taken up in the axon terminals and transported to the cell bodies, then visualized through chemical reactions, traces w...

psych 115 midterm Exam Questions and Answers 100% Pass How many levels of analysis are there in behavioral neuroscience and what does each one focus on? Social levels (Individuals behaving in social interaction), Organ levels (Brain, spinal cord, peripheral nerves, and eyes), Neural Systems level (eyes and visual brain regions), Brain region level (visual cortex), Cellular level (single neuron), Circuit level (local neural circuit), Synaptic level, Molecular level What did French Philosop...

Psych 115 Midterm 1 UCLA Exam Questions and Answers 100% Pass What are the three layers of protective layer called? Meninges - Dura Mater (thick outer layer) - Arachnoid (Spongy middle layer) - Pia Mater (thin inner layer) What is the organ that constantly manufactures the CSF? choroid plexus, which resides in hollow tubes and cavities called ventricles Where does the action potential originate? Integration zone (or active zone) What are the three types of neurons? Multipo...