"D2-like" refers to a category of receptors in the brain that are similar to the D2 dopamine receptor. These receptors are part of the dopamine receptor family, which plays a crucial role in regulating mood, motivation, and reward. D2-like receptors are primarily involved in inhibiting neurotransmitter release, which helps modulate various brain functions. These receptors are important in understanding certain neurological and psychiatric conditions, such as schizophrenia and Parkinson's disease. Medications that target D2-like receptors can help manage symptoms by influencing dopamine levels in the brain, highlighting their significance in both research and treatment strategies.