### aptitude:

Instinct
* Any instincts are only the very first steps of survival, e.g., nursing.
  * Animals with nervous systems are born with 'instincts'. An instinct part of the behaviour of an organism. However, the term does not include the operation of sense organs, and does not include the normal working of the autonomic nervous system. Instincts are to do with visible muscular action in response to releasers. Releasers are triggers which set off chains of instinctive behaviour. Although instincts are not learned, in some cases their performance can be improved by experience and practice.
* act by giving vitality and enthusiasm to the mind through meaning and purpose.
* are an inborn patterns of behaviour or responses to specific situations
  - basic energy sources
  - codes of behavior that bring an animal closer to nature
  - generally inherited patterns of responses or reactions to certain kinds of stimuli
  - inborn behaviors that animals display without necessarily thinking logically about it
  - inheritable, genetically coded behavior patterns that an animal possesses at birth
  - inherited behavior patterns
  - part of every organism's behavior, from protozoa to elephants
  - the manifestation of archetypes
  - thought to occur as fixed action patterns
  - unlearned, complex patterns of behavior that occur in presence of certain stimuli
* behavior that the animal is born with.
* come exclusively through the species, they are all hereditary.
* complicated term, especially as applied to human health and wellness.
* drives men to achieve success in five key areas of their lives
  - most mammals to be greedy for everything
  - one to reproduce and continue breathing
* form of congenital impulse.
* governs the animal world.
* help animals find food, mate, reproduce, and raise their young.
* hypothetical construct explaining the ocurence of instinctive behavior.
* implies inescapability and absence of choice.
* is how parents and babies talk to one another
  - immediate in action without the process of reason
  - intelligence incapable of self-consciousness
  - nearer to intuition than is intellect
  - reflex action into which there is imported the element of consciousness
  - something that a species does naturally
  - still the ultimate source of human conduct and human creativity
  - the ability to react
* is the inherent disposition of a living organism toward a particular behavior
  - inclination of a living organism toward a particular behavior
  - natural tendency that a person or animal has to behave or react in a particular way
  - nose of the mind
  - species' way to insure their future existence
* plays an important part in marketing planning.
* powerful force in the animal world.
* protective mechanism for all animals, including humans.
* provides the only common ground shared by the unconscious and subconscious.
* relates to a particular concrete connection such as an individual fleeing from fire.
* sometimes lessens as the intellect develops.
* stereotyped, or largely unvarying, behavior that is typical of a particular species.
* tends to be viewed as more reactive.
+ Freud's psychoanalytic theories, 'The Unconscious Mind'
  * Sexual instincts or drives have deeply invested roots in the unconscious mind. Instincts act by giving vitality and enthusiasm to the mind through meaning and purpose. The ranges of instincts are in great numbers therefore Freud expressed them in two categories. Eros is the self-preserving life instinct containing all erotic pleasures. In contrast, thanatos is the death instinct full of self-destruction of sexual energy. The main part of human behavior and actions is tied back to sexual drives. Since birth the existent of sexual drives can be recognized as one of the most important incentives of life.

### aptitude | instinct:

Maternal instinct
* can cause dog bites.
* guided by faith can transform a nation and a world.
* makes mothers fit.