Thalamus

The 2nd order neuron is also the thalamocortical connection — False (it is the spinothalamic/3rd order that connects thalamus to cortex)

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The 2nd order neuron is also the thalamocortical connection — False (it is the spinothalamic/3rd order that connects thalamus to cortex) (cat 2 2014 — Source Paper Awaiting Edit)
⚠️ Little to NO collateral flow for deep penetrating vessels of thalamus, basal ganglia, and deep white matter → these areas are most vulnerable to small vessel disease (Cerebrovascular Disease: Stroke, Ischemia & Hemorrhage Explained)
Brain MR imaging shows multifocal abnormalities with loss of tissue in periventricular regions of midbrain, pons, thalamus, and hypothalamus. (CNS PATHOLOGY — Past Paper Questions & Answers)
Regions most involved include the basal ganglia, cerebellum, thalamus, hypothalams, and brainstem. (CNS PATHOLOGY — Past Paper Questions & Answers)
Thiamine deficiency (Wernicke's) — affecting the mammillary bodies and thalamus (Haematopathology MCQs: Blood Disorders & Anemia Explained)
Active GPi/SNr increases inhibitory (GABAergic) output to the thalamus (END YEAR PP1 & PP2 2025 Physiology: MCQs for Medical School Exams)

All the above.
Is called the secretary of the cerebral cortex
regulated by the inputs from the basal ganglia and the cerebellum.
works in close association with the cerebral cortex.
all type of sensation pass through it except olfaction Your answer is correct. The correct answer is: All the above.

Answer: A.