Neuroscience quiz

More questions about Neuroscience

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   What fatty layer speeds up nerve impulse conduction along axons?

   Answer: Myelin sheath

   Why: About 70 percent of myelin's dry weight is lipid, versus roughly 34 percent in a rat liver cell's plasma membrane.

2. 2 Medium

   Which 19th-century pseudoscience linked skull bumps to personality?

   Answer: Phrenology

   Why: Though highly flawed and racist, phrenology helped popularize the correct idea that different brain regions have different functions.

3. 3 Hard

   What brain pathway's overstimulation by Parkinson's drugs causes compulsive gambling?

   Answer: Mesolimbic pathway

   Why: In a study of 3,090 Parkinson's patients, 17.1% on dopamine agonists had an impulse control disorder versus 6.9% of those not on one.

4. 4 Easy

   Which brain lobe mainly processes touch, temperature, and body position?

   Answer: Parietal lobe

   Why: The primary somatosensory cortex lies within the parietal lobe, creating a touch map of the entire body.

5. 5 Medium

   How did Phineas Gage's personality change after his accident?

   Answer: He became fitful and rude

   Why: Harlow wrote this up 20 years later, after Gage's death; Gage had driven a six horse coach in Chile for seven years, a social recovery.

6. 6 Hard

   The loss of which neurons causes tremors in Parkinson disease?

   Answer: Dopaminergic neurons

   Why: Symptoms usually appear only once a large share of those cells in the substantia nigra are already gone.