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Acquisition

Acquisition

in psychology, the empirical demonstration of an increase in the strength of the conditioned response in successive trials of pairing the conditioned and unconditioned stimulus. The cognitive process of acquiring skill or knowledge; the child's acquisition of language.


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Re: Are predators always smarter than their prey?

... and escape behaviors are promoted instead (Wingfield et al. 1998). Research has shown that corticosteroids may also affect learning and memory acquisition (Thaker et al. 2010). To test this, researchers inhibited corticosterone elevation in Eastern fence lizards (Sceloporus undulatus) during ...

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by Gannet
Tue Feb 25, 2014 11:43 am
 
Forum: Zoology Discussion
Topic: Are predators always smarter than their prey?
Replies: 12
Views: 8090

biology

... to eject an average of 50mls per beat. During the procedure, 1.Michael's average heart rate was…………… beats per minute, 2.the interval between each acquisition point was ……….milliseconds, 3.the left ventricular ejection fraction was……. , 4.Michael's left ventricular ejection fraction is within the ...

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by zak
Wed Dec 18, 2013 11:20 am
 
Forum: Human Biology
Topic: biology
Replies: 8
Views: 2885

The smoking gun of the debate: ring species. do they exist?

... range of diverse "mutants" (over 300 dog breeds that lost various genes) in relatively short time. Going in the opposite direction (gene acquisition) is a theory that explains macro-evolution, and has not a single shred of proof (as far as I know).

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by Cat
Sun Apr 28, 2013 4:47 pm
 
Forum: Evolution
Topic: The smoking gun of the debate: ring species. do they exist?
Replies: 4
Views: 2863

Re: Theories - Origin of Life

... do not exist." This is what I have stated. What the empirical evidence shows is that, it is the direct clinical intervention that induces the acquisition of these natural occurring mobile genetic elements in tetracyclines that produces the resistance. I also went on to state Even if a mutation ...

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by scottie
Thu Sep 20, 2012 4:13 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 888670

Re: Increasing Information For Genetic Algorithm

... of new ones. It's also useful to note that many new phenotypes result from loss of function in some gene (usually a repressor) and not due to acquisition of new genetic information...

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by Cat
Sun Sep 09, 2012 5:20 pm
 
Forum: Evolution
Topic: Increasing Information For Genetic Algorithm
Replies: 8
Views: 12357
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