InThinking Subject Sites

Subscription websites for IB teachers & their classes

Find out more


Sitemap
Recommendations
Other subjects
Brochure

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Student access tools
 You need to log-in or subscribe in order to use Student access.

Pain & consciousness HL (2025)

The skin contains many nerve endings. These can detect stimuli such as temperature changes, acid or chemicals which may lead to a sensation of pain. This page first explores how these nerve endings detect stimuli. It then goes on to discuss consciousness which arises due to the interaction of individual neurons in the brain.Leprosy is a disease which can result in sufferers being unable to feel pain. How might this occur?

To access the entire contents of this site, you need to log in or subscribe to it.

Alternatively, you can request a one month free trial.