Why lysergic acid diethylamide (LSD) would cause hallucinations?

As determined by physiological recordings in awake behaving animals, what kind of stimuli are most likely to activate neurons in the ventral tegmental area? Choose the best option.

Which is best describing a painful sensation from typically non-painful stimuli?

Which is best describing a painful sensation from typically non-painful stimuli?

Which neural structure is essential to help you know where objects are and in which direction they move? Please choose the best answer.

Based on your understanding of parallel language pathways, a patient with intact speech production but severe difficulty understanding word meanings most likely has a lesion in:

Based on your understanding of parallel language pathways, a patient with intact speech production but severe difficulty understanding word meanings most likely has a lesion in:

A 72-year-old patient with a recent right-hemisphere stroke fails to notice objects on their left side, even when turning their head to scan the environment. They also ignore food on the left half of their plate and bump into furniture on the left. When asked to draw a clock, they crowd all the numbers on the right side. Which of the following best explains this presentation?

A 55-year-old patient presents with vertigo and oscillopsia (blurred vision during head movement) after a recent viral infection. Bedside testing reveals impaired vestibulo-ocular reflex (VOR) when the patient is asked to fixate on a target while turning their head rapidly. Which of the following is the most likely site of lesion disrupting the VOR pathway?

A 72-year-old patient with a recent right-hemisphere stroke fails to notice objects on their left side, even when turning their head to scan the environment. They also ignore food on the left half of their plate and bump into furniture on the left. When asked to draw a clock, they crowd all the numbers on the right side. Which of the following best explains this presentation?