It takes approximately 3 hours to charge the Oculus Go fully with the provided charger. The instruction guide says not to charge it with other chargers, including portable battery backups. You also should not charge the headset while it’s on your face.

Police officers then interact with the actors in these scenarios. The goal is to increase skills in active verbal/non-verbal communication, de-escalation techniques, empathetic understanding and mental-health knowledge.

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The training focuses on improving interactions between police officers and individuals exhibiting various forms of mental illness. What makes it novel is that it uses actors to portray real-life scenarios, developed in close collaboration between police and the University of Alberta.

The Oculus Go lenses are curved, Fresnel-style lenses like those in the Rift headset, but they produce much less lens flare distortion. The new lens design features a somewhat triangular shape, instead of the round with one flat edge design we usually see in VR headsets.

For people who don’t want to wear their glasses with a headset at all, Oculus is introducing a corrective lens accessory, which you can slip over the Go’s lenses to make it a prescription VR headset. Oculus said the corrective lenses will be available for Rift owners as well.

An example of feedback from an actor would be "When you asked me my name, I felt like you actually cared about me, as a person, so I was comfortable in answering your questions" or "when you told me to calm down it made me angry because your tone suggested you didn't care why I was so angry."

The Oculus Go package includes a motion controller, which features a large trigger button, a trackpad for your thumb, an Oculus menu button and a back button. Like the Daydream VR or Gear VR controllers, it features 3-degrees of freedom tracking, which allows you to point in any direction, but it doesn’t have any depth-sensing capabilities so you can’t reach into the virtual world.  Similar to the Daydream platform, the menu button on the controller enables you to recenter your view at any time.

The Go borrows some design elements from the Rift (such as the shape of the faceplate and how the head strap attaches to the visor). However, the construction of the two headsets is markedly different. For instance, the Go doesn’t offer spatial tracking, so it doesn’t have embedded sensors.

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Additionally, police reported feeling significantly more confident in their training and ability to interact with a mentally ill individual. There was also a large decrease (more than 40 per cent) in the use of any kind of force when interacting with mentally ill individuals, although there were other internal police initiatives that may have helped this latter figure.

This supported a 41 per cent increase in the actual number and classification of mental health calls, with 19 per cent less time being spent on each call, thus an increase in efficiency. Over a six-month period, this led to cost savings of $83,828.

Over a six-month period, EPS members demonstrated significant improvements in their communication, empathy and de-escalation skills, as observed by their supervising officers.

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This study also shows that these skills can be taught and improved, and that this leads to true-to-life training and real-life application. Feedback from officers taking part repeatedly said how realistic the scenarios were and that they were able to subsequently incorporate these skills into their daily tasks.

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Additionally, there was an improvement in an officer's ability to confidently recognize, respond and empathetically communicate with individuals in distress.

It allows officers to improve their interactions in real-life situations. One important part of the training is the use of professional actors, who give feedback to the officers after each scenario. This is in addition to feedback from more senior training officers.

To counter this, the Edmonton Police Service (EPS) teamed up with the University of Alberta to investigate a new way to improve outcomes. This research was led by Dr. Peter Silverstone and PhD candidate Yasmeen Krameddine, and the results to date are very positive.

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The Oculus Go features a 3-point head strap, which is made of a fabric. Inside, a foam rubber cushion fits snugly against your cheeks and forehead to seal off light from the world around you. The nose space doesn’t have a cover, so you can still see the real world through the slit if you look down.

Oculus also developed features that enable it to squeeze even more performance out of the aging hardware, such as Fixed Foveated Rendering, which enables developers to push high-fidelity graphics to the sweet spot of the display and lower fidelity graphics in the periphery to reduce the GPU load. The company also created processes such as Dynamic Clock Speed Adjustments, which lower the clock speed of the SoC when it's not in demand to help preserve battery.

Police officers are now frequently the first-line responders for those suffering a mental health or addiction problem, but training in handling these cases isn't keeping up with the need.

Kevin Carbotte is a contributing writer for Tom's Hardware who primarily covers VR and AR hardware. He has been writing for us for more than four years.

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The Oculus Go has a functional design language that doesn't stand out for being either beautiful or ugly. The device is a light shade of gray with very little contrast. The body of the visor has a smooth plastic finish, while the faceplate is made of a dull aluminum which acts as a heatsink for the SoC and surrounding components. The fabric surfaces are a slightly different shade of gray. The only real contrast is the black face cushion that surrounds the lenses.

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The Go has a novel solution for glasses wearers -- a spacer, which you can install under the foam cushion to push the edges of the foam out and give you a few millimeters of extra clearance for corrective lenses. I don’t wear glasses, but I deferred to a friend who does to test the spacer. While he has trouble wearing the Rift, the Go fit over his glasses with ease.

In contrast, if the officer looked engaged, gave the actor his or her attention and held eye contact, the actor would be more relaxed, helpful and supply all the information asked for.

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The motion controller is an odd shape, but felt comfortable in my hand. I wasn't even tempted to put it down while watching video content.

After the scenario was complete, the feedback continued to highlight why the actor behaved in certain ways. This allowed police to have an outside perspective of their actions and body language, giving them a better view of how their actions or what they said impacted the way they are viewed.

The actors are trained to acknowledge both the positive and negative behaviours of each officer during the scenario, giving officers in-depth feedback on how the officer made the actor feel during the interaction. Feedback is crucial for officers to understand how their actions affect the emotions and behaviour of individuals they come in contact with. The actors were trained extensively on verbal and non-verbal communication techniques, and varied their interactions depending on what the officer said or did.

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These results show promise, and continue to emphasize the positive effects of this innovative mental health training initiative. What's interesting about the research that was done, and the tips provided, is that little things can make a big difference.

The Oculus Go features an internal 2600mAh Lithium-ion battery, which provides between 1.5-2-hours of continuous gaming, or approximately 2-2.5-hours of video content. In our experience, Oculus’s runtime ratings are accurate. I squeezed a little more than 2 hours out of our headset with a combination of gaming and video, and got nearly 3 hours out of it while doing nothing but watching Netflix.

This program is run as a one-day intensive training program with six scenarios: depression, addiction, schizophrenia, alcohol withdrawal, mania and a suicidal individual.

We suspect that the lower refresh rate is a symptom of the available processing power and not a limitation of the panel technology. To keep the costs down to a palatable level for the mass market, Oculus chose a dated Snapdragon 821 processor, which is the similar to the chip found in the two-year-old Samsung Galaxy S7.

The Oculus Go isn’t going to replace the PC-connected room-scale-capable systems like the Oculus Rift, HTC Vive, and Windows MR headsets. But the standalone device offers better performance and a more convenient form factor for experiencing VR content than smartphone-powered headsets such as the Google Daydream View and Samsung Gear VR.

Emphasis during the feedback for each scenario was on increasing the expression of empathic feelings and body language expressed to the actors in the scenarios.

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Try not to do the following: Telling them to "calm down" or "relax." These words may make them angry because they feel they're being talked down to and told what to do. This does the opposite of making someone feel calm. Using dominating body language. Standing over an individual with your feet planted, hands on your waist or on your gun, can indicate control and power. This may make the person feel defensive, powerless and unimportant. They are less likely to be co-operative. If they're sitting, try instead to crouch down to their level, so you're able to talk to them as equals. Improper mirroring. Copying isn't always appropriate. If they're shouting, don't shout back, no matter the provocation. Try talking in a softer voice so they have to stop to listen to what you are saying. Also, if the person is scared or anxious, mirroring their body language can exaggerate anxiety and fear, which may escalate the situation. Keep a calm demeanor, even if they are not. Eventually and without realizing it, many subjects will copy your body language. Telling them they shouldn't feel a certain way. All feelings are real no matter how outrageous it sounds. Do not belittle what the subject is experiencing. For example, if a subject is hearing voices, don't say "no, you don't hear that." Instead, ask more about the situation: "How long have you been hearing them?" or "How do they make you feel?"

The headset features internal speakers and a microphone, so you don’t need headphones to use the device, but Oculus recommends using a headset for the best voice communication. Oculus offers the Go headset with 32GB or 64GB of internal storage. Our sample came with 32GB.

Active listening and expressing empathy in both verbal and non-verbal communication improves outcomes for police officers, particularly when interacting with those who have mental illness and/or addiction problems.

With a user experience that's better than any mobile headset and a price that almost anyone can afford, the Oculus Go delivers a great VR experience for the money, no smartphone or PC required.

Speaking of the lenses, they are significantly better than what you'll find in the Rift. Oculus told us that it put considerable effort into developing the “perfect lens” for VR, and while we’re not convinced that they are perfect, they do provide a much clearer image than the older design.

The Oculus Go offers a marginally higher resolution than the Oculus Rift headset, but to call it superior would be somewhat disingenuous. The Rift features 2,160 x 1,200 pixels spread across two 90Hz OLED display panels. The Go features a single 2,560 x 1,440 fast-switch LCD panel that operates at 60Hz or 72Hz, depending on the application.

On the top the headset, you’ll find a pair of volume adjustment buttons and power button with an LED indicator light that shows when the device is charging, paired via bluetooth or powered on. The left side houses a micro USB port used for charging the device, and a 3.5mm audio jack to plug in a headset.

For example, if the officer rolled his or her eyes, didn't listen to what was being said or tried to rush the actor, the actor would in turn behave more belligerently and less helpfully.

By Yasmeen Krameddine and Peter Silverstone, University of Alberta, and David DeMarco and Robert Hassel, Edmonton Police Service

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Imagine going to a fancy burger joint and being asked to bring your own bun? That's what the VR market has been like up until now. No matter how much or little you spent, you either needed a high-end PC or a premium smartphone to use the best VR headsets. Enter Oculus Go, a standalone VR system with its own Snapdragon 821 processor and everything else you need built-in.