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PET (positronemission tomography) scans

 a technique for imaging brain activity by recording the extent of metabolic activity in different regions of the brainduringdifferent cognitive or behavioural activities, through injecting aradioactive substance.

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Psychology term of the day

September 20th 2021

cross tolerance

this phenomenon arises in some drug categories, such as theopiates (heroin, morphine etc) and tryptamines (LSD,mescaline and psilocybin) when the prolonged use of one drugin the group results in the development of tolerance to theothers opioids.