Affective disorders such as unipolar mania or bipolar disorder can involve euphoria as a symptom. Implicit cognition is another influential predictor for bipolar disorder and unipolar disorder. Lateral thermal injury is greater in unipolar than bipolar devices. Implicit cognition plays a strong role for patients with both bipolar and unipolar disorder. Many cases of bipolar depression are very similar to those of unipolar depression. Depression, either unipolar or as part of bipolar disorder, is an especially common cause. Another benefit of bipolar encoding compared to unipolar is error detection. Electrocautery applies high frequency alternating current by a "unipolar" or "bipolar" method. There are three main types of neurons; multipolar, bipolar, and unipolar. These atomristors offer forming-free switching and both unipolar and bipolar operation. Therefore, the person can be misdiagnosed with unipolar depression and be given antidepressants. Women are more likely than men to show unipolar depression. There was no association for those with unipolar depression or their relatives. Exercise has also been found to be effective for (unipolar) major depression. These cells synapse onto the dendrite of granule cells and unipolar brush cells.