Anesthesia has no effect on the brain needs to be divided into cases, if it is local anesthesia, the general effect is relatively small, if it is a general anesthesia, there may be a certain effect on the brain.
1. local anesthesia: local anesthesia is generally applied directly to the location of the need for surgery or local injection, applicable to smaller surgeries, such as suturing, tooth extraction, etc., local anesthesia does not act on the brain, generally have no effect on the brain.
2. General anesthesia: general anesthesia generally need to be through the respiratory tract, intravenous injection, etc., the central nervous system has a temporary inhibitory effect on the brain, used for a long time, more complex surgery.
General anesthesia may be a short period of time on the reaction or memory have a certain effect, but there are individual differences, not necessarily everyone will have an impact. And usually with the metabolism of anesthesia this effect will quickly improve.
Patients are advised not to be too nervous, and the physician will choose the appropriate anesthesia method according to the specific situation.