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Related to psychological dependence: physiological dependence


a need for something; sometimes used as a synonym for drug dependence.
chemical dependence (drug dependence) see drug dependence.
emotional dependence psychological dependence.
physical dependence (physiological dependence) drug dependence in which the drug is used to prevent withdrawal symptoms or in which it is associated with tolerance, or both.
psychoactive substance dependence drug dependence.
psychological dependence drug dependence in which the drug is used to obtain relief from tension or emotional discomfort; called also emotional dependence.
substance dependence drug dependence.


(dĕ-pen'dents), Avoid the misspelling dependance.
The quality or condition of relying on, being influenced by, or being subservient to a person, object, or substance, thus reflecting a particular need.
[L. dependeo, to hang from]


/de·pen·dence/ (de-pen´dens)
1. a state of relying on or requiring the aid of something.
2. a state in which there is a compulsive or chronic need, as for a drug; see substance d.

psychoactive substance dependence , substance dependence
1. compulsive use of a substance despite significant problems resulting from such use. Although tolerance and withdrawal were previously defined as necessary and sufficient for dependence, they are currently only two of several possible criteria.


Etymology: L, de + pendere, to hang upon
1 the state of being dependent.
2 the total psychophysical state of one addicted to drugs or alcohol who must receive an increasing amount of the substance to prevent the onset of withdrawal symptoms.


Psychiatry A CNS adaptation to the persistent presence of a sedative. See Substance dependence, Tobacco dependence. Cf Addiction Substance abuse A psychological or physiologic need to use a substance–usually a narcotic on a chronic and repeated basis; dependence on the drug may become overwhelming, compelling the user to sacrifice quality of life for the drug. See Addict. Cf Addiction.


The quality or condition of relying on, being influenced by, or being subservient to a person, substance, or object reflecting a particular need.
[L. dependeo, to hang from]


A state in which a person requires a steady concentration of a particular substance to avoid experiencing withdrawal symptoms.


(dĕ-pen'dĕns) Avoid the misspelling dependance.
The quality or condition of relying on, being influenced by, or being subservient to a person, object, or substance.
[L. dependeo, to hang from]

Patient discussion about dependence

Q. Is there any depression which is dependent on something. is there any depression which is dependent on something and whenever that thing strikes the depression arrives?

A. Well Anthony, almost all depression had some known dependency on something. But its regular dependency and frequency increment or decrement will differ a lot. One kind of depression like seasonal affective disorder (SAD) is where every individual remains depressed every year at the same time, which may be due to seasonal changes like winter and summer. In SAD the depression arrives every year at the same time and it seems to be arrival of depression dependent on the season.

Q. What is the difference between alcoholism, alcohol abuse and alcohol dependent?

A. Alcoholism is the high carve for drinking without caring for negative results it will have on physical, mental, emotional and social life. A binge drinker who continues to drink even though the problem has started in his normal life will lead to alcohol abuse and he may start the journey for alcoholism. In alcohol dependence the drinker steps up from the alcohol abuse and the crave increases in spite of the biggest problem on head. We can say that alcohol dependence is alcoholism.

Q. Does anyone have ideas for ways to overcome concentration problems without depending on medications? I'm reallllllly trying hard to study for my final exams and my ADD seems to bother me every time I touch the desk. Sometimes my thoughts fly out when I only think of how much I still have to study today!!! please- help if you can... I really don't want to start with meds...

A. Omega-3 fatty acids, phosphatidylserine, zinc and magnesium may have benefits with regard to ADD symptoms. i take omega-3 fatty acids every day for the past year and it helped me go threw a ruff year of studying.

More discussions about dependence
References in periodicals archive ?
Psychological dependence upon alcohol may occur with regular use of just quite small daily amounts.
In 1980, the World Health Organisation classified khat as a drug of abuse that can produce mild to moderate psychological dependence.
A psychological dependence can be very powerful and difficult to overcome.
Unlike heroin or cocaine, the drug itself is not physically addictive, though rehab centers have begun to report an increase in the number of people seeking treatment for psychological dependence on Ecstasy.
Addiction is a legitimate concern, and Yesalis says a quarter to a half of those who use steroids solely to improve their body image exhibit signs of psychological dependence.
Most of these clients, weaned or abruptly removed from their psychological dependence, are capable of functioning at an acceptable level.
The first is a psychological dependence often leading to addiction and the second is a physical need generated by the body's inability to normalize functioning without the medication.
This makes it difficult to consider alternatives to comment on attempts to alter the situation, for the question is not the price of petrol but this deep psychological dependence on the car and the guilty attempt of each of us to justify its use which prevents us from looking at the whole package implied in the policy of integrated transport.
Besides being intoxicating, the peers say, regular heavy use can lead to psychological dependence and, in some cases, withdrawal symptoms.
Much like an addict, we only increase our economic and psychological dependence on the auto, thereby encouraging more roads and sprawl.
Because of these drugs' capacity to produce physical and psychological dependence, the FDA is concerned about their misuse and what is needed to prevent abuse.
Through minute descriptions of the daily routines of the victims, the author explores the strange psychological dependence that developed between guards and hostages during the months of captivity.

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