Erection refers to the hardening of the penis caused by blood engorging the erectile tissue.

In psychology, "erection" typically refers to an erection of the penis, which is a physiological response that occurs when blood flow to the penis increases, causing it to become engorged and erect. Erections are often associated with sexual arousal, but they can also occur in non-sexual contexts, such as during sleep or when an individual is experiencing strong emotions. Here are a few examples of how "erection" might be used in the field of psychology:

  1. Sexual arousal and erection: Erections are often a sign of sexual arousal in men, and they can occur in response to a variety of stimuli, such as visual, auditory, or tactile stimuli.

  2. Erectile dysfunction: This refers to a persistent or recurrent inability to achieve or maintain an erection sufficient for sexual activity. Erectile dysfunction can be caused by a variety of physical or psychological factors, and it can be treated through a variety of approaches, such as medication or therapy.

  3. Non-sexual causes of erection: Erections can also occur in non-sexual contexts, such as during sleep or when an individual is experiencing strong emotions, such as fear or excitement.

  4. Psychological factors influencing erection: Psychological factors, such as stress, anxiety, or relationship issues, can also influence an individual's ability to achieve or maintain an erection.