Neuroscience / Cognitive Neuroscience 50 Score: 0 Attempted: 0/50 Subscribe 1. Cognitive neuroscience primarily studies: (A) The relationship between brain processes and mental functions (B) Reflex arcs only (C) Muscle contraction (D) Genetics of plants 2. The basic unit of the nervous system is the: (A) Neuron (B) Axon (C) Synapse (D) Glia 3. The gap between two neurons where communication occurs is called: (A) Synapse (B) Soma (C) Dendrite (D) Myelin 4. Which neurotransmitter is most associated with learning and memory? (A) Acetylcholine (B) Dopamine (C) Serotonin (D) GABA 5. Which part of the brain is crucial for long-term memory formation? (A) Hippocampus (B) Cerebellum (C) Hypothalamus (D) Medulla 6. The cerebral cortex is divided into: (A) Four lobes (B) Three lobes (C) Two lobes (D) Six lobes 7. The frontal lobe is primarily involved in: (A) Decision-making, planning, and reasoning (B) Visual processing (C) Balance control (D) Language reception only 8. The occipital lobe processes: (A) Vision (B) Hearing (C) Smell (D) Motor skills 9. The temporal lobe is linked to: (A) Auditory processing and memory (B) Balance and movement (C) Vision (D) Reflex control 10. The parietal lobe deals with: (A) Spatial awareness and sensory integration (B) Heartbeat regulation (C) Reflexes (D) Genetic coding 11. Which technique measures electrical activity of the brain? (A) EEG (B) MRI (C) PET (D) Ultrasound 12. fMRI measures: (A) Blood oxygenation related to neural activity (B) Reflex time (C) Muscle movement (D) Nerve conduction velocity 13. The brainâs ability to reorganize itself after damage is called: (A) Neuroplasticity (B) Neurogenesis (C) Reflexivity (D) Myelination 14. The synaptic transmission is usually: (A) Chemical (B) Mechanical (C) Genetic (D) Hormonal only 15. Which part of the brain regulates homeostasis and drives like hunger? (A) Hypothalamus (B) Thalamus (C) Amygdala (D) Cerebellum 16. Brocaâs area is important for: (A) Speech production (B) Speech comprehension (C) Reflexes (D) Vision 17. Wernickeâs area is important for: (A) Understanding language (B) Memory storage (C) Motor control (D) Emotional regulation 18. Damage to the hippocampus leads to: (A) Memory impairment (B) Reflex loss (C) Hearing loss (D) Motor dysfunction only 19. Which cells support, insulate, and nourish neurons? (A) Glial cells (B) Muscle cells (C) Endothelial cells (D) Platelets 20. Myelin sheath increases: (A) Speed of nerve impulse conduction (B) Reflex strength (C) Muscle power (D) Synaptic gaps 21. The amygdala is associated with: (A) Emotions, especially fear and aggression (B) Reflexes (C) Genetic transmission (D) Muscle contraction 22. Which lobe integrates sensory input for body orientation? (A) Parietal lobe (B) Occipital lobe (C) Frontal lobe (D) Temporal lobe 23. Split-brain research shows the specialization of: (A) Left and right hemispheres (B) Neurons and glia (C) Reflex and instinct (D) Motor and sensory neurons 24. The left hemisphere is typically dominant for: (A) Language and analytical thinking (B) Spatial reasoning (C) Emotional processing (D) Music appreciation 25. The right hemisphere is specialized in: (A) Spatial and visual recognition (B) Grammar rules (C) Motor sequencing (D) Reflex arcs 26. Which neurotransmitter is linked to reward and motivation? (A) Dopamine (B) Serotonin (C) Acetylcholine (D) GABA 27. Serotonin plays an important role in: (A) Mood regulation and sleep (B) Reflex actions (C) Motor strength (D) Genetic expression 28. Which part of the brain coordinates balance and fine motor control? (A) Cerebellum (B) Medulla (C) Pons (D) Thalamus 29. The corpus callosum connects: (A) Left and right cerebral hemispheres (B) Brain and spinal cord (C) Neurons and glia (D) Cortex and cerebellum 30. The blood-brain barrier protects: (A) Brain from harmful substances in blood (B) Reflex pathways (C) Muscle from fatigue (D) Neurons from firing 31. The main excitatory neurotransmitter in the brain is: (A) Glutamate (B) GABA (C) Dopamine (D) Serotonin 32. The main inhibitory neurotransmitter in the brain is: (A) GABA (B) Dopamine (C) Acetylcholine (D) Serotonin 33. Neurogenesis occurs mainly in: (A) Hippocampus (B) Amygdala (C) Medulla (D) Thalamus 34. The thalamus acts as a: (A) Relay station for sensory information (B) Memory storehouse (C) Reflex center (D) Motor generator 35. Which imaging technique tracks glucose metabolism in the brain? (A) PET scan (B) EEG (C) X-ray (D) Ultrasound 36. Cognitive control refers to: (A) Ability to regulate thoughts and actions to achieve goals (B) Automatic reflex (C) Genetic regulation (D) Muscle contraction 37. Executive functions are primarily associated with the: (A) Prefrontal cortex (B) Occipital lobe (C) Brainstem (D) Cerebellum 38. Which method temporarily disrupts brain activity to study functions? (A) Transcranial Magnetic Stimulation (TMS) (B) PET scan (C) Reflex conditioning (D) Ultrasound 39. Hebbian theory is summarized as: (A) âNeurons that fire together, wire togetherâ (B) âMemory is infiniteâ (C) âReflexes guide all learningâ (D) âBrain is staticâ 40. The basal ganglia are involved in: (A) Movement regulation and habit formation (B) Reflex arcs only (C) Smell perception (D) Visual processing 41. Which brain imaging has the highest temporal resolution? (A) EEG (B) fMRI (C) PET (D) CT 42. Which brain imaging has the highest spatial resolution? (A) fMRI (B) EEG (C) PET (D) X-ray 43. Cognitive neuroscience differs from cognitive psychology by: (A) Emphasizing the neural basis of mental processes (B) Ignoring brain biology (C) Focusing on reflexes only (D) Avoiding experiments 44. The limbic system is primarily associated with: (A) Emotion and memory (B) Reflexes (C) Digestion (D) Vision 45. Which neurotransmitter deficiency is linked to Parkinsonâs disease? (A) Dopamine (B) Serotonin (C) Acetylcholine (D) Glutamate 46. Which part of the brainstem regulates vital functions like breathing and heartbeat? (A) Medulla oblongata (B) Cerebellum (C) Hippocampus (D) Amygdala 47. Long-term potentiation (LTP) is a process important for: (A) Strengthening synaptic connections in learning and memory (B) Reflex inhibition (C) Motor fatigue (D) Gene expression 48. Which cognitive neuroscience method involves recording from single neurons? (A) Single-unit recording (B) EEG (C) fMRI (D) PET 49. The dorsal visual stream is known as the: (A) âWhereâ pathway (spatial awareness) (B) âWhatâ pathway (object recognition) (C) Reflex loop (D) Emotional circuit 50. The ventral visual stream is known as the: (A) âWhatâ pathway (object recognition) (B) âWhereâ pathway (C) Reflex arc (D) Emotional pathway