# Situation: A 24-year-old woman is admitted to the psychiatric unit. Her medical workup, including laboratory tests and a neurologic examination, is normal, and she has not received any psychiatric medicine. The nurse performs a mental status examination (MSE). The next day, when the nurse scratches her own head during the interview, the client scratches her head in the same way; when the nurse folds her arms, the client folds hers. Which finding does this show?

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> subject: Nursing Practice V — Care of Clients with Maladaptive Patterns of Behavior; Care of Clients with Life-Threatening Conditions, Acute Multi-Organ Problems, High Acuity and Emergency Situations

## 문제

Situation: A 24-year-old woman is admitted to the psychiatric unit. Her medical workup, including laboratory tests and a neurologic examination, is normal, and she has not received any psychiatric medicine. The nurse performs a mental status examination (MSE).

The next day, when the nurse scratches her own head during the interview, the client scratches her head in the same way; when the nurse folds her arms, the client folds hers. Which finding does this show?

## 보기

1. Echopraxia **✔ 정답**
2. Echolalia
3. Stereotypy
4. Perseveration

**정답: 1**

## 해설

Echopraxia is the imitation of another person's movements, a catatonic sign. Echolalia is the repetition of another person's words.

## 심화 해설

Core concept

The behavior described is the automatic copying of another person’s motor actions. When a client imitates the examiner’s movements—such as scratching the head or folding the arms immediately after the nurse does—the finding is called echopraxia. This is distinct from echolalia, which refers to the repetition of another person’s spoken words rather than movements.

Echopraxia is classified as a catatonic sign and is part of the broader category of imitative behavior. In the mental status examination, it is observed during the interaction when the client mirrors the examiner’s gestures without being asked to do so. The absence of abnormal laboratory or neurologic findings in this case does not rule out a psychiatric cause; echopraxia can appear in schizophrenia, bipolar disorder, and other conditions associated with catatonia [3].

Why the other options are incorrect

Echolalia is the repetition of words or phrases spoken by another person. Since the scenario describes copying of physical movements, echolalia does not apply.

Stereotypy refers to repetitive, non-goal-directed movements that the person performs on their own, such as rocking or hand flapping. These movements are not triggered by observing another person’s actions.

Perseveration is the continuation of a response or behavior after the original stimulus has ended, such as repeating the same answer to different questions. It is not the imitation of another person’s current movement.

Pathophysiologic perspective

Research on echopraxia in schizophrenia suggests that the mirror neuron system plays a central role. The mirror neuron system provides a motor representation to the inferior frontal gyrus and the motor cortex, and through the inferior frontal gyrus to the anterior cingulate cortex [1]. In a healthy brain, this representation is normally inhibited, so observing another person’s movement does not automatically produce the same movement. In conditions such as schizophrenia, decreased inhibition combined with increased arousal allows this motor representation to become an executed movement, resulting in echopraxia [1].

This mechanism helps explain why echopraxia is not simply a learned or voluntary behavior. It reflects a failure of normal inhibitory control over automatic imitation circuits. The same framework applies to echolalia, which involves a parallel process for speech rather than limb movement .

Clinical significance in the MSE

During a mental status examination, echopraxia is documented under motor behavior or abnormal movements. It is important to distinguish it from voluntary mimicry or playful imitation. In the clinical setting, echopraxia is considered a sign of catatonia, which in the DSM-5 is defined by the presence of at least two of five criteria: motor immobility, negativism, echolalia or echopraxia, sterile motor activity, and atypical movements [3].

Key point! Echopraxia and echolalia are both echophenomena, but echopraxia involves movement while echolalia involves speech. On a licensure exam, the question will usually describe one clearly—look for whether the client copies actions or words.

Watch out! Echopraxia is not the same as stereotypy. Stereotypy is self-generated and repetitive; echopraxia is triggered by observing another person’s movement. The distinction matters because stereotypy is not specific to catatonia, whereas echopraxia is one of the catatonic signs [3].

| Finding | Definition | Trigger | Example |
| --- | --- | --- | --- |
| Echopraxia | Imitation of another person’s movements | Observing examiner’s action | Client scratches head after nurse does |
| Echolalia | Repetition of another person’s words | Hearing examiner’s speech | Client repeats “How are you?” after nurse says it |
| Stereotypy | Repetitive, non-goal-directed movement | Internal, not imitative | Client rocks back and forth continuously |
| Perseveration | Continuation of a response after stimulus ends | Previous stimulus no longer present | Client gives the same answer to every question |

In this case, the client’s behavior—copying the nurse’s head scratching and arm folding—is a direct motor imitation. The correct documentation is echopraxia, and it should alert the nurse to assess for other signs of catatonia, such as motor immobility, negativism, or unusual posturing [3].References (research sources)

- [1]Echopraxia in schizophrenia: possible mechanisms.Research articlePridmore S, Brüne M, Ahmadi J, Dale J (2008) · DOI: 10.1080/00048670802119747

- [3][Catatonia].Research articlePot AL, Lejoyeux M (2015) · DOI: 10.1016/j.encep.2015.03.001

## 임상 시나리오

Recognizing Imitative Behavior in MSEDistinguishing Echopraxia from Other Motor Signs
When a client automatically copies the examiner's motor actions (e.g., scratching head, folding arms), the finding is echopraxia. It is a catatonic sign and can occur in schizophrenia or bipolar disorder.

Differentiate from echolalia, which is the repetition of spoken words, not movements. Stereotypy is a self-driven repetitive movement, and perseveration is continuing a response after the stimulus ends.

CautionA normal medical workup does not rule out a psychiatric cause. Observe for other catatonic features such as stupor, mutism, or posturing to guide safety and treatment.

## 핵심 개념

- **Echopraxia** — The automatic imitation of another person's movements, classified as a catatonic sign.
- **Echolalia** — The automatic repetition of another person's spoken words or phrases.
- **Stereotypy** — Repetitive, non-goal-directed motor behavior performed independently of external imitation.
- **Perseveration** — The inappropriate continuation of a behavior or verbal response after the original stimulus has ceased.
- **Catatonia** — A psychomotor syndrome that can include imitative behaviors like echopraxia and echolalia.

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