The 5-HT2A receptor is a subtype of the serotonin receptor family, primarily involved in the regulation of mood, cognition, and perception. It is activated by the neurotransmitter serotonin and plays a crucial role in various brain functions, including the modulation of anxiety and depression. This receptor is found in several areas of the brain, including the cortex and hippocampus, influencing both emotional and cognitive processes. Research has shown that the 5-HT2A receptor is a target for certain psychiatric medications, particularly antipsychotics and hallucinogens. These substances can alter the receptor's activity, leading to changes in mood and perception. Understanding the 5-HT2A receptor's function is essential for developing new treatments for mental