Primarily through dreams in my case. That's where I get the most detailed communication, visions, etc. Occasionally, it's like a daydream vision. It's more about sensing, and sometimes feeling a touch. On a few occasions, I've seen them too, but generally only in the few seconds upon waking from sleep. Once I fainted (dehydration) as a child, and saw one of my guides standing over me for a few seconds.

I've had much success with automatic writing in the past, but not on the computer (only on paper). And, for the past ten years, anytime I attempt to use a spirit board or automatic writing, something tells me to stop (literally writing out  "stop doing this", lol), and then proceeds to "scold" me until I do.

These days, I've having the best results with tarot cards.

There are only 2 windows of time when the dreams we have are about psychic sensitivities.  These are when we enter alpha state of consciousness just as we are falling asleep and when we rise to alpha state just before waking.  The rest of the REM sleep dreams are about our own unresolved emotions from the conscious state.  Even people that come to us in dreams during this time can be symbolic.

With this in mind, what happens in dreams by chance, can happen in meditation by design.  The alpha state in meditation is the same as that on going to sleep, only more alert.

I usually see them as a human figure, and I don't see any of the bloody details on them. I sometimes can perceive them with my eyes closed, or when they're open, like a holographic projection. I can also talk to them and hear them talk back. But I don't literally talk, I just imagine myself talking, something like telepathy, so that I won't look like a fool talking to blank space. I'm not sure whether this is considered normal or not. (Possible 4th dimension/etheric plane connection?)

This might be out of topic a little, but I only realized I have also percieved ghosts as a kid. Just in a sense where my brain doesn't consider them as ghosts, but just an imagination. Like one time in a car when I was little, from the corner of my eye, I thought I saw a dog, then when I turned my head and my eyes were looking at it straight on, I thought it ran away (in a car? to where? this is still a mystery) and this repeated about 2 or 3 times throughout the journey in the car.

Nowadays, I also perceive ghosts better with the sides of my eyes (I'd like to call them my fish eyes since they're located by the sides.) On some occasions, I send out a "radar" to detect the location of ghosts. This "radar" hasn't been able to determine the size of the space I'm in yet.

When we squint from the side of our eyes, we are focusing a bit differently and that is how spirit presence can be 'seen', 'sensed' or otherwise made known to us.

Ha, I knew it! It's possible then!

I kept hearing from other psychic or just ordinary people that It's not possible to be able to see them in their full glory. Then inwardly, I threw them back with "You can't, But I'll be". Well, See? Just because they can't, everybody can't. Lolz :

Now that I know it's possible. My hope just grew. As one of my goals are to be able to communicate with spirits, more like how you do. You're so awesome! and so this place!