I live in California, a block from the beach. Yep - I'm a lucky girl. In the morning, I go out on my patio and have coffee - and I can hear the lions roaring. I have to listen carefully, but it's there. And this is not psychic at all. I live next to a zoo.
Information that comes from psychic perception isn't like they show it in the movies.
I don't see dead people in full blown 3D (although there are some who have this level of awareness). I see them as energy, usually in my mind's eye - like a dream or imagination. When I hear them, it's like a whisper; like ants crawling on the floor. When I smell them, it's a wisp of a scent - a cigar, a perfume, something cooking.
Most of the time, I feel emotions, sensations, temperature changes - and I just "know" things. This skill is not as cinematic as the see, hear, smell skills, so it often gets skipped in explanations of psychic phenomena - but it is likely the most common to all people. It's also known as "trust your gut," "follow your intuition," or having "spidey sense."
The regular world acknowledges that this exists because many people have had at least one event in their lives where it was in stark relief - it was OBVIOUS.
Psychic stuff is usually less than obvious. It is everywhere, but in our overloaded sensory culture, we tune it out as not being useful. If you want to develop your ability to hear spirit - take a few minutes each day to sit quietly and listen to your surroundings. Identify sounds - pay attention. Meditation and paying attention are the two best ways to improve any psychic abilities.
If you had to choose between the following two words for the state of humanity right now - "attentive" or "distracted" - I'm willing to bet we would acknowledge that we are largely "distracted." And yet we want to be engaged, attentive to family, life, and surroundings; but we are overwhelmed by the amount of sensory input we receive. I predict that if this does not change, the market for places that you can go to as a retreat will increase exponentially. We are social creatures, yes, but we are also connected creatures, and the call for this connection to be rediscovered is getting louder and more insistent.
Sometimes this call manifests as a vague knowing that there is more to life or a feeling that "someone" has the answers and you aren't allowed to have them. We can reconnect to the All That Is with meditation, with a quiet mind. If it seems impossible to get there from where you are - start by noticing your world, just your little space. With practice, you can hear the call. You have to pay attention, but you can hear it, faintly, like lions roaring in the morning.