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  2. N400 (neuroscience) - Wikipedia

    en.wikipedia.org/wiki/N400_(neuroscience)

    The N400 is a component of time-locked EEG signals known as event-related potentials (ERP). It is a negative-going deflection that peaks around 400 milliseconds post-stimulus onset, although it can extend from 250-500 ms, and is typically maximal over centro-parietal electrode sites.

  3. Unpaired word - Wikipedia

    en.wikipedia.org/wiki/Unpaired_word

    An unpaired word is one that, according to the usual rules of the language, would appear to have a related word but does not. [1] Such words usually have a prefix or suffix that would imply that there is an antonym , with the prefix or suffix being absent or opposite.

  4. Palpitations - Wikipedia

    en.wikipedia.org/wiki/Palpitations

    Palpitations are perceived abnormalities of the heartbeat characterized by awareness of cardiac muscle contractions in the chest, which is further characterized by the hard, fast and/or irregular beatings of the heart.

  5. Polarity item - Wikipedia

    en.wikipedia.org/wiki/Polarity_item

    Licensing contexts across languages include the scope of n-words (negative particles, negative quantifiers), the antecedent of conditionals, questions, the restrictor of universal quantifiers, non-affirmative verbs (doubt), adversative predicates (be surprised), negative conjunctions (without), comparatives and superlatives, too-phrases ...

  6. List of phobias - Wikipedia

    en.wikipedia.org/wiki/List_of_phobias

    The English suffixes -phobia, -phobic, -phobe (from Greek φόβος phobos, "fear") occur in technical usage in psychiatry to construct words that describe irrational, abnormal, unwarranted, persistent, or disabling fear as a mental disorder (e.g. agoraphobia), in chemistry to describe chemical aversions (e.g. hydrophobic), in biology to describe organisms that dislike certain conditions (e.g ...

  7. Emotional Stroop test - Wikipedia

    en.wikipedia.org/wiki/Emotional_Stroop_test

    It has been examined in relation to veterans with PTSD; those with PTSD had slower response times to words related to the disorder than neutral or unrelated negative words when compared to veterans without PTSD. [14] The emotional Stroop task has also been used to examine participants with Body Dysmorphic Disorder [15]

  8. Pulsus paradoxus - Wikipedia

    en.wikipedia.org/wiki/Pulsus_paradoxus

    Pulsus paradoxus is not related to pulse rate or heart rate, and it is not a paradoxical rise in systolic pressure. Normally, blood pressure drops less precipitously than 10 mmHg during inhalation. Pulsus paradoxus is a sign that is indicative of several conditions, most commonly pericardial effusion .

  9. Emotion classification - Wikipedia

    en.wikipedia.org/wiki/Emotion_classification

    Similar emotions in the wheel are adjacent to each other. [61] Anger, Anticipation, Joy, and Trust are positive in valence, while Fear, Surprise, Sadness, and Disgust are negative in valence. Anger is classified as a "positive" emotion because it involves "moving toward" a goal, [ 62 ] while surprise is negative because it is a violation of ...