Observation is the ability to distinguish change within a range of greatest and least occurrence of mass, energy, and lifespan.
The observation of events is affected by the relative motions of the observer and the observed.
Relative values for space-time intervals are determined by the observer’s fixed or moving position in relation to the position of the events which are being observed.
Variations in the observation of space-time intervals tend to alter the observer’s awareness of them.
Although distances and times vary for different observers, they form an absolute space- time interval for all observers.
Both the process of observing events and the events themselves have absolute time values.
The observation of events is a result of the function of sensory organs which detect physical events in the outside world, and of the nervous system which transmits sensory information to the brain where it is recorded and processed in various ways.
The rates of reception and transmission in the nervous system produce a time lag which prevents the brain from processing information instantaneously.
The time required to make an observation depends upon the combined rates of reception and transmission in the nervous system, along with the feedback rates governing the processes of the brain.
By processing information which has been recorded in memory, the brain is able to observe the continuity of present events, recognize past events, and predict future events. Future events are predicted by analyzing recurring patterns of information, and forming judgements based on the causal relations which determine those patterns.
The ability to remember or predict events is due both to the causal direction of events in time, and the functions of the brain which process the events.
Time present and time past
Are both perhaps present in time future,
And time future contained in time past.
If all time is eternally present
All time is unredeemable.
Time past and time future
What might have been and what has been
Point to one end, which is always present.
Time past and time future
Allow but a little consciousness.
To be conscious is not to be in time
But only in time can the moment in the rose-garden,
The moment in the arbour where the rain beat,
The moment in the draughty church at smokefall
Be remembered; involved with past and future.
Only through time time is conquered.
Time before and time after
In a dim light: neither daylight
Investing form with lucid stillness
Turning shadow into transient beauty
With slow rotation suggesting permanence . . .
T. S. Eliot