Which of the following effects is associated with amphetamines?

Amphetamines are a class of stimulants known for their ability to increase activity in the central nervous system. One of the prominent effects associated with the use of amphetamines is euphoria, which refers to a state of intense happiness and well-being. This effect occurs because amphetamines increase the release of neurotransmitters such as dopamine and norepinephrine in the brain, leading to heightened mood and increased feelings of pleasure.

Individuals who use amphetamines often report feelings of increased energy, heightened alertness, and improved mood, which contributes to the sensation of euphoria. This effect is a significant reason why some might misuse these substances, seeking the pleasurable experience they can provide.

In contrast, states like drowsiness, low energy, and memory loss are generally not associated with amphetamines. Instead, they are more commonly linked to depressants or other substances that slow down brain activity or have cognitive impairing effects. Understanding these characteristics is crucial in recognizing the impact that amphetamines can have on behavior and psychological state.