Hmz t1

Manufactured by Sony

The HMZ-T1 is a head-mounted display device produced by Sony. It features two OLED panels, one for each eye, providing a virtual large screen experience. The device is designed to connect to various video sources, such as a TV, computer, or gaming console, and display the content directly in front of the user's eyes.

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Lab products found in correlation

F310 gamepad, by Logitech (1 mentions)

4 protocols using hmz t1

Virtual Social Environment Stress Study

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The virtual environment used in this experiment was a cafe ´. Participants could navigate the virtual environment using a Logitech F310 Gamepad. The Sony HMZ-T1 headmounted display used for VR display of the cafe ´had a high-density resolution of 1280 • 720 (per eye), with 51.6 diagonal field of view, and built-in headphones. A 3DOF tracker (UM7 Orientation Sensor; CH-Robotics) was added to the Sony HMZ-T1 for head rotation. The researcher controlled the VR system and actions in the virtual environment using a graphical user interface.
Detailed information on the conditions is already published. 31 The social stressors used in this virtual social environment (population density, ethnic density, and hostility) were found to elicit feelings of anxiety. 31 All participants participated in five conditions, each with different levels of social stress. Exposure to each condition lasted 4 min. The order of the five conditions was randomized to prevent a sequence effect.

Pot-Kolder R., Veling W., Counotte J, & van der Gaag M. (2018). Anxiety Partially Mediates Cybersickness Symptoms in Immersive Virtual Reality Environments. Cyberpsychology, behavior and social networking, 21(3).

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Motor Imagery Control of Robotic Hands

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Subjects wore a head-mounted display (Sony HMZ- T1)) through which they had a first-person view of the robot’s hands. Two randomly lighting balls were placed in front of the robot’s hands to give a cue for the motor imagery task during the operational sessions. Each participant performed the following two randomly conditioned sessions: 1) MoCap session, where subjects performed a grasp motion using their own right and left hand to control the robot’s corresponding hand, and 2) BCI session, where subjects performed a right or left motor imagery task and controlled the robot’s hands without actual motions. In both sessions, the trials lasted 7.5 s each. At second 2, an acoustic warning was given in the form of a “beep” to indicate the onset of the task and at second 3 the cue (lighting ball) was presented to the subject. From second 3.5 to 7.5, classifier results were sent to the robot in the form of motion commands. Throughout the experiment, identical blankets were laid on both the robot’s and subject’s legs so that the background view of the robot’s and subject’s bodies was the same.

Alimardani M., Nishio S, & Ishiguro H. (2016). Removal of proprioception by BCI raises a stronger body ownership illusion in control of a humanlike robot. Scientific Reports, 6, 33514.

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Virtual Body Ownership Experiments

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In this study, we used a head mounted display (HMD, Sony HMZ-T1) and a stereo camera (Sony HDR-TD20V). The skin conductance responses (SCR) were recorded with a Data Acquisition Unit-MP35 (Biopac Systems, Inc. USA). For questionnaires, we used a Likert scale from “strongly disagree” (−3) to “strongly agree” (+3). The questionnaire statements are randomly distributed and can be divided into the following categories: body-part ownership, full-body ownership, touch referral, agency, self-touching illusion, experiential ownership, and double body effect (Table 1). We conducted three experiments, each with four conditions. See Table 2 below for the details of the participants. All participants gave written consent prior to the experiments. This study was approved by the Research Ethics Committee of National Taiwan University (NTU-REC: 201310HS026).

Liang C., Chang S.Y., Chen W.Y., Huang H.C, & Lee Y.T. (2015). Body ownership and experiential ownership in the self-touching illusion. Frontiers in Psychology, 5, 1591.

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Exploring Social Stress in Virtual Cafés

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Experiments took place in a VR 3D café with a terrace covering an area of 181 m 2 (Fig. 1), created by CleVR with Vizard software. The café was presented through a head mounted display (HMD, Sony HMZ-T1) with a resolution of 1280 × 720 per eye and 51.6 diagonal field of view, integrated headphones and a built-in 3DOF head tracker. Participants moved by operating a joystick (Logitech F3 Gamepad). Avatars were standing or sitting at tables in the VR café. When participants approached avatars, some avatars would look their way briefly, others remained interacting and drinking. Participants heard random café background noises through the headphones.
The social stressors present in the café differed in each experiment. This was accomplished by manipulating three variables: crowdedness, facial expression and ethnicity, see Table 1. The ethnicity of minimal 80% of the avatars was similar or different (white Caucasian or North-African) to the ethnic appearance of the participant. The facial expression of the avatars was neutral or hostile. During the neutral condition avatars continuously looked neutral at each other and the participant. In the hostile condition hostile looks (duration of five seconds) were interspersed with neutral looks.

Geraets C.N.W., van Beilen M., Pot-Kolder R., Counotte J., van der Gaag M, & Veling W. (2018). Social environments and interpersonal distance regulation in psychosis: A virtual reality study. Schizophrenia research, 192.

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