Quiz # 16

Chapter 49: SENSORY AND MOTOR MECHANISMS

In most vertebrates, sensory signals generally go first to the thalamusthalamus the gateway to the cerebral cortex.

This gateway is influenced by instructions coming back from the cortex. The information is then sent on to the many parts of the brain that contribute to forming our perceptions, our awareness and interpretation of the stimuli.

Placebo and opioid analgesia - Imaging a shared neuronal network.Petrovic P et al. SCIENCE 295 (5560): 1737-1740 MAR 1 2002

Pain P

Pain+OPiod POP Pain+Placebo PPL

Quiz # 16: Briefly!, explain why the results of this study by Petrovic et al. are or are not consistent with the quote from the text, above.