Psych 115 midterm - Study guides, Class notes & Summaries

Levels of the Brain Social level, organ level, neural system level, brain region level, circuit level, cellular level, synaptic level, molecular level CNS and PNS CNS: Central nervous system Encased in bone Brain and spinal cord PNS: Peripheral nervous system Not encased in bone Spinal nerves (motor and sensory) enter and leave the spinal cord Cranial nerves (motor and sensory) enter and leave the brain. Autonomic nervous system (sympathetic and parasympathetic) control internal organs How ...

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 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 EXAM 2024 QUESTIONS AND CORRECT DETAILED ANSWERS ~ A+ GRADED GUARANTEED PASS How many levels of analysis are there in behavioral neuroscience and what does each one focus on? Correct Answer 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)...

Thalamus -gateway to the cortex -sensory/motor info passes through it to/from cortex Motor commands Vision Hearing Touch Taste (NOT smell/olfactory) Each part of thalamus is reciprocally connected to specific parts of the ____ each part of thalamus is reciprocally connected to specific parts of the CORTEX. -cortex and thalamus are "close buddies" Rat brain vs. Cat brain vs. Human brain rat brain has NO GYRI Cat has some Human has MANY GYRI Breakdown of CNS Forebrain-->telencephalon, dien...

PSYCH 115 MIDTERM EXAM 2024 QUESTIONS AND CORRECT DETAILED ANSWERS ~ A+ GRADED GUARANTEED PASS How many levels of analysis are there in behavioral neuroscience and what does each one focus on? Correct Answer 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)...

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? - Answer- 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 Frenc...

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? - Answer- 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 Frenc...

What are the lobes of the cerebral cortex? And what are they in charge of? Occipital: Vision Parietal: Somatosensation, spatial cognition Temporal: Hearing, Taste, "Declarative" memory Frontal: Motor control, planning, decision making Cingulate: Motivation, Emotion, memory What are the folds and creases in the cortex called? Groove - sulcus Bump - Gyrus What are the 4 components of the limbic system and what are their functions? Hippocampus - learning and memory Amygdala - emotion, anxiety C...

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 ...