Exercise 2 Left/right discrimination with cards

The exercise focuses on left-right hand recognition using a set of image cards under time pressure. A participant is shown pictures of hands one by one and must quickly identify whether each image represents a left or right hand. Responses are sorted accordingly, and any hesitation may lead to a card being set aside. The task is timed for 45 seconds, allowing the assessor to measure how many images are completed within that period. The activity is used to gather two main types of information: speed and accuracy. It shows how many responses are correct or incorrect for both left and right hands, and it also provides a simple way to repeat the test later and compare performance across sessions. Beyond scoring, the method helps identify which specific images cause difficulty. If a participant misidentifies a hand, the assessor can explore why, such as confusion caused by finger position or whether the posture seems uncomfortable or painful. This makes the task useful for understanding both recognition performance and possible pain-related influences on perception.